Screws - Thumb - Knurled - Brass

Screws -> Thumb -> Knurled -> Brass

There are 8 products in the sub-categories of Screws - Thumb - Knurled - Brass. Browse the Screws - Thumb - Knurled - Brass products table.

Category Details

A selection of Brass Knurled Thumb Screws. Brass knurled head thumb screws with zinc or black oxide protective coating.

  • An expanded range may be available on special order. Please enquire.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Screws - Thumb - Knurled - Brass category on the Small Parts & Bearings online store.
Thread Size (C) Thread Length (Tl) Overall Length (L) Head Diameter (D) Head Height (H) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
7.94
mm

(Equiv. 0.313 in.)
Overall Length (L)
12.70
mm

(Equiv. 0.5 in.)
Head Diameter (D)
7.94
mm
Head Height (H)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 7.94x12.7 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS028C-008-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 7.94x12.7 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$14.50 AUD
$17.40 AUD $14.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Thread Length (Tl) Overall Length (L) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
7.94
mm

(Equiv. 0.313 in.)
Overall Length (L)
12.70
mm

(Equiv. 0.5 in.)
Thumb Screws - 4-40 UNC - 2.85mm - 7.94x12.7 mm Knurled - Brass
Material: Brass    Head Diameter (D): 7.94 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS028C-008-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 7.94x12.7 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$14.50 AUD
$17.40 AUD $14.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Head Diameter (D)
7.94
mm
Head Height (H)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS028C-010-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$14.77 AUD
$17.73 AUD $14.77 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Brass
Material: Brass    Head Diameter (D): 7.94 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS028C-010-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$14.77 AUD
$17.73 AUD $14.77 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Head Diameter (D)
7.94
mm
Head Height (H)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS028C-013-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass Screw
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$9.00 AUD
$17.10 AUD $9.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Head Diameter (D): 7.94 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS028C-013-K-BZ
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass Screw
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$9.00 AUD
$17.10 AUD $9.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
6-32 UNC (3.5mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Head Diameter (D)
7.94
mm
Head Height (H)
4.76
mm
Thumb Screws - 6-32 UNC - 3.5mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS035C-013-K-BZ
Thumb Screws - 6-32 UNC - 3.5mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$15.59 AUD
$18.71 AUD $15.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Thumb Screws - 6-32 UNC - 3.5mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Head Diameter (D): 7.94 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS035C-013-K-BZ
Thumb Screws - 6-32 UNC - 3.5mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$15.59 AUD
$18.71 AUD $15.59 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
8-32 UNC (4.17mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Head Diameter (D)
9.53
mm
Head Height (H)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS042C-013-K-BZ
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$17.77 AUD
$21.33 AUD $17.77 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
8-32 UNC (4.17mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Head Diameter (D): 9.53 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS042C-013-K-BZ
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$17.77 AUD
$21.33 AUD $17.77 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
10-32 UNF (4.76mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Head Diameter (D)
11.11
mm
Head Height (H)
4.76
mm
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS048F-013-K-BZ
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$18.68 AUD
$22.42 AUD $18.68 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
10-32 UNF (4.76mm)

Thread Length (Tl)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L)
17.46
mm

(Equiv. 0.687 in.)
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Head Diameter (D): 11.11 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS048F-013-K-BZ
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x17.46 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$18.68 AUD
$22.42 AUD $18.68 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
10-32 UNF (4.76mm)

Thread Length (Tl)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L)
20.64
mm

(Equiv. 0.813 in.)
Head Diameter (D)
11.11
mm
Head Height (H)
4.76
mm
Thumb Screws - 10-32 UNF - 4.76mm - 15.88x20.64 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS048F-016-K-BZ
Thumb Screws - 10-32 UNF - 4.76mm - 15.88x20.64 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$19.50 AUD
$23.40 AUD $19.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
10-32 UNF (4.76mm)

Thread Length (Tl)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L)
20.64
mm

(Equiv. 0.813 in.)
Thumb Screws - 10-32 UNF - 4.76mm - 15.88x20.64 mm Knurled - Brass
Material: Brass    Head Diameter (D): 11.11 mm    Head Height (H): 4.76 mm    Finish: Zinc Chromate Plated   
Part Number: THS048F-016-K-BZ
Thumb Screws - 10-32 UNF - 4.76mm - 15.88x20.64 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$19.50 AUD
$23.40 AUD $19.50 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

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

Thread Length (Tl)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L)
25.40
mm

(Equiv. 1 in.)
Head Diameter (D)
12.70
mm
Head Height (H)
6.35
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x25.4 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Part Number: THS064C-019-K-BZ
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x25.4 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$20.23 AUD
$24.27 AUD $20.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

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

Thread Length (Tl)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x25.4 mm Knurled - Brass
Material: Brass    Head Diameter (D): 12.70 mm    Head Height (H): 6.35 mm    Finish: Zinc Chromate Plated   
Part Number: THS064C-019-K-BZ
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x25.4 mm Knurled - Brass Screw
Out of Stock | Backorder Now | Orders can be expected around Wed, Oct 15, 2025
$20.23 AUD
$24.27 AUD $20.23 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

Backorder: Out of Stock.