Collection: Screws - Thumb

Screws -> Thumb
Thread Size (A) Thread Length (B) Overall Length (D) Head Diameter (E) Head Height (D) Indicative
Image
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Head Diameter (E)
12.70
mm
Head Height (D)
6.35
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Brass
Material: Brass    Finish: Zinc, Clear Chrome Plated   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-BZ-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 17, 2025
Regular price $52.68 AUD
Regular price $63.22 AUD Sale price $52.68 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A) Thread Length (B) Overall Length (D) Indicative
Image
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Brass
Material: Brass    Head Diameter (E): 12.70 mm    Head Height (D): 6.35 mm    Finish: Zinc, Clear Chrome Plated   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-BZ-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 17, 2025
Regular price $52.68 AUD
Regular price $63.22 AUD Sale price $52.68 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Head Diameter (E)
12.70
mm
Head Height (D)
6.35
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Aluminium
Material: Aluminium    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-AL-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Aluminium Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 17, 2025
Regular price $14.86 AUD
Regular price $17.84 AUD Sale price $14.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Aluminium
Material: Aluminium    Head Diameter (E): 12.70 mm    Head Height (D): 6.35 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-AL-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Aluminium Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 17, 2025
Regular price $14.86 AUD
Regular price $17.84 AUD Sale price $14.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
34.93
mm

(Equiv. 1.375 in.)
Head Diameter (E)
20.64
mm
Head Height (D)
15.88
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-019-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.23 AUD
Regular price $13.47 AUD Sale price $11.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
34.93
mm

(Equiv. 1.375 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 20.64 mm    Head Height (D): 15.88 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-019-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.23 AUD
Regular price $13.47 AUD Sale price $11.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
34.93
mm

(Equiv. 1.375 in.)
Head Diameter (E)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-019-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $25.14 AUD
Regular price Sale price $25.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
34.93
mm

(Equiv. 1.375 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 22.23 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-019-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $25.14 AUD
Regular price Sale price $25.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Head Diameter (E)
12.70
mm
Head Height (D)
6.35
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-SS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Stainless Steel Screw
8 Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $11.14 AUD
Regular price $13.36 AUD Sale price $11.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

8 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
28.58
mm

(Equiv. 1.125 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 12.70 mm    Head Height (D): 6.35 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS064C-019-K-SS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x28.58 mm Knurled - Stainless Steel Screw
8 Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $11.14 AUD
Regular price $13.36 AUD Sale price $11.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

8 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
39.69
mm

(Equiv. 1.563 in.)
Head Diameter (E)
31.75
mm
Head Height (D)
20.64
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x39.69 mm Wing - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-019-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x39.69 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.59 AUD
Regular price $15.11 AUD Sale price $12.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (D)
39.69
mm

(Equiv. 1.563 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x39.69 mm Wing - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 31.75 mm    Head Height (D): 20.64 mm    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-019-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x39.69 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.59 AUD
Regular price $15.11 AUD Sale price $12.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
30.16
mm

(Equiv. 1.187 in.)
Head Diameter (E)
19.05
mm
Head Height (D)
4.76
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x30.16 mm Knurled - NYLATRON GS PA66 + MoS2
Material: NYLATRON GS (PA66 + MoS2)   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-NY
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x30.16 mm Knurled - NYLATRON GS PA66 + MoS2 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.86 AUD
Regular price $14.24 AUD Sale price $11.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
30.16
mm

(Equiv. 1.187 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x30.16 mm Knurled - NYLATRON GS PA66 + MoS2
Material: NYLATRON GS (PA66 + MoS2)    Head Diameter (E): 19.05 mm    Head Height (D): 4.76 mm   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-NY
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x30.16 mm Knurled - NYLATRON GS PA66 + MoS2 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.86 AUD
Regular price $14.24 AUD Sale price $11.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
36.51
mm

(Equiv. 1.437 in.)
Head Diameter (E)
19.05
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-3-N
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $22.14 AUD
Regular price $26.56 AUD Sale price $22.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
36.51
mm

(Equiv. 1.437 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 19.05 mm   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-3-N
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $22.14 AUD
Regular price $26.56 AUD Sale price $22.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
36.51
mm

(Equiv. 1.437 in.)
Head Diameter (E)
25.40
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-KL-3-N
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $34.50 AUD
Regular price $41.40 AUD Sale price $34.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
36.51
mm

(Equiv. 1.437 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 25.40 mm   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-KL-3-N
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $34.50 AUD
Regular price $41.40 AUD Sale price $34.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (E)
7.94
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.23 AUD
Regular price $13.47 AUD Sale price $11.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 7.94 mm   
Category: Screws - Thumb - Knurled
Part Number: THS064C-025-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.23 AUD
Regular price $13.47 AUD Sale price $11.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
41.28
mm

(Equiv. 1.625 in.)
Head Diameter (E)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-025-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
9 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $14.32 AUD
Regular price Sale price $14.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
41.28
mm

(Equiv. 1.625 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 22.23 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-025-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
9 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $14.32 AUD
Regular price Sale price $14.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
46.04
mm

(Equiv. 1.813 in.)
Head Diameter (E)
31.75
mm
Head Height (D)
20.64
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x46.04 mm Wing - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-025-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x46.04 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.14 AUD
Regular price $13.36 AUD Sale price $11.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
46.04
mm

(Equiv. 1.813 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x46.04 mm Wing - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 31.75 mm    Head Height (D): 20.64 mm    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-025-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x46.04 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.14 AUD
Regular price $13.36 AUD Sale price $11.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
50.80
mm

(Equiv. 2 in.)
Head Diameter (E)
19.05 / 6.35
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel
Material: Steel    Finish: Black Oxide   
Category: Screws - Thumb - Half Turn
Part Number: THS064C-025-H-CB
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $111.50 AUD
Regular price $133.80 AUD Sale price $111.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
50.80
mm

(Equiv. 2 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel
Material: Steel    Head Diameter (E): 19.05 / 6.35 mm    Finish: Black Oxide   
Category: Screws - Thumb - Half Turn
Part Number: THS064C-025-H-CB
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $111.50 AUD
Regular price $133.80 AUD Sale price $111.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
41.28
mm

(Equiv. 1.625 in.)
Head Diameter (E)
20.64
mm
Head Height (D)
15.88
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-025-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
25.40
mm

(Equiv. 1 in.)
Overall Length (D)
41.28
mm

(Equiv. 1.625 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 20.64 mm    Head Height (D): 15.88 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-025-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
31.75
mm

(Equiv. 1.25 in.)
Head Diameter (E)
645.16
mm
Head Height (D)
7.94
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75  Dog Point - Steel
Material: Steel    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS064C-032-K-CS-DP
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75 - - Dog Point - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $28.86 AUD
Regular price Sale price $28.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
31.75
mm

(Equiv. 1.25 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75  Dog Point - Steel
Material: Steel    Head Diameter (E): 645.16 mm    Head Height (D): 7.94 mm    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS064C-032-K-CS-DP
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75 - - Dog Point - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $28.86 AUD
Regular price Sale price $28.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (D)
47.63
mm

(Equiv. 1.875 in.)
Head Diameter (E)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-032-F-MI (100 Pcs)
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75x47.63 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $1,078.50 AUD
Regular price Sale price $1,078.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
31.75
mm

(Equiv. 1.25 in.)
Overall Length (D)
47.63
mm

(Equiv. 1.875 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 22.23 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-032-F-MI (100 Pcs)
Thumb Screws - 1/4-20 UNC - 6.35mm - 31.75x47.63 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $1,078.50 AUD
Regular price Sale price $1,078.50 AUD
Excludes GST and overseas Taxes & Duties
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
53.98
mm

(Equiv. 2.125 in.)
Head Diameter (E)
20.64
mm
Head Height (D)
15.88
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-038-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
53.98
mm

(Equiv. 2.125 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 20.64 mm    Head Height (D): 15.88 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-038-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
53.98
mm

(Equiv. 2.125 in.)
Head Diameter (E)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-038-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $23.50 AUD
Regular price Sale price $23.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
53.98
mm

(Equiv. 2.125 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 22.23 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-038-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $23.50 AUD
Regular price Sale price $23.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
58.74
mm

(Equiv. 2.313 in.)
Head Diameter (E)
31.75
mm
Head Height (D)
20.64
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x58.74 mm Wing - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-038-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x58.74 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $13.32 AUD
Regular price $15.98 AUD Sale price $13.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Overall Length (D)
58.74
mm

(Equiv. 2.313 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x58.74 mm Wing - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 31.75 mm    Head Height (D): 20.64 mm    Finish: Tumbled   
Category: Screws - Thumb - Wing
Part Number: THS064C-038-W-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x58.74 mm Wing - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $13.32 AUD
Regular price $15.98 AUD Sale price $13.32 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (E)
17.46
mm
Head Height (D)
5.56
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1  Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Flat Tip
Part Number: THS064C-038-K-CS-FT
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1 - - Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1  Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 17.46 mm    Head Height (D): 5.56 mm   
Category: Screws - Thumb - Flat Tip
Part Number: THS064C-038-K-CS-FT
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1 - - Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (E)
17.46
mm
Head Height (D)
5.56
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1  Flat Tip - Steel 12L14
Material: Steel 12L14    Finish: Black Oxide   
Category: Screws - Thumb - Flat Tip
Part Number: THS064C-038-K-CB-FT
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1 - - Flat Tip - Steel 12L14 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $6.86 AUD
Regular price $8.24 AUD Sale price $6.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1  Flat Tip - Steel 12L14
Material: Steel 12L14    Head Diameter (E): 17.46 mm    Head Height (D): 5.56 mm    Finish: Black Oxide   
Category: Screws - Thumb - Flat Tip
Part Number: THS064C-038-K-CB-FT
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1 - - Flat Tip - Steel 12L14 Screw
2 Available Now | Further orders can be expected around Wed, Oct 01, 2025
Regular price $6.86 AUD
Regular price $8.24 AUD Sale price $6.86 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
44.45
mm

(Equiv. 1.75 in.)
Head Diameter (E)
645.16
mm
Head Height (D)
7.94
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 44.45  Dog Point - Steel
Material: Steel    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS064C-044-K-CS-DP
Thumb Screws - 1/4-20 UNC - 6.35mm - 44.45 - - Dog Point - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $32.23 AUD
Regular price Sale price $32.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
44.45
mm

(Equiv. 1.75 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 44.45  Dog Point - Steel
Material: Steel    Head Diameter (E): 645.16 mm    Head Height (D): 7.94 mm    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS064C-044-K-CS-DP
Thumb Screws - 1/4-20 UNC - 6.35mm - 44.45 - - Dog Point - Steel Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $32.23 AUD
Regular price Sale price $32.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
50.80
mm

(Equiv. 2 in.)
Overall Length (D)
66.68
mm

(Equiv. 2.625 in.)
Head Diameter (E)
20.64
mm
Head Height (D)
15.88
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-051-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.95 AUD
Regular price $15.55 AUD Sale price $12.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
50.80
mm

(Equiv. 2 in.)
Overall Length (D)
66.68
mm

(Equiv. 2.625 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 20.64 mm    Head Height (D): 15.88 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-051-F-CS-WF
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $12.95 AUD
Regular price $15.55 AUD Sale price $12.95 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
50.80
mm

(Equiv. 2 in.)
Overall Length (D)
66.68
mm

(Equiv. 2.625 in.)
Head Diameter (E)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-051-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $21.14 AUD
Regular price Sale price $21.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
50.80
mm

(Equiv. 2 in.)
Overall Length (D)
66.68
mm

(Equiv. 2.625 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (E): 22.23 mm    Finish: Tumbled   
Category: Screws - Thumb - Flat Key Head
Part Number: THS064C-051-F-MI
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 01, 2025
Regular price $21.14 AUD
Regular price Sale price $21.14 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.