Screws - Thumb - Flat Key Head - Washer Face

Screws -> Thumb -> Flat Key Head -> Washer Face

There are 11 products in the sub-categories of Screws - Thumb - Flat Key Head - Washer Face. Browse the Screws - Thumb - Flat Key Head - Washer Face products table.

Category Details

A selection of Washer Face Flat Key Head Thumb Screws. Flat Key head malleable iron screws with an integral washer

  • 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 - Flat Key Head - Washer Face category on the Small Parts & Bearings online store.
Thread Size (C) Thread Length (D) Overall Length (C) Head Diameter (A) Head Height (B) Indicative
Image
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x28.58 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
12.70
mm
Overall Length (C)
28.58
mm
Head Diameter (A)
20.64
mm
Head Height (B)
15.88
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x28.58 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-013-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,024.05 AUD
$1,024.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Thread Length (D) Overall Length (C) Indicative
Image
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x28.58 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
12.70
mm
Overall Length (C)
28.58
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x28.58 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 20.64 mm    Head Height (B): 15.88 mm    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-013-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,024.05 AUD
$1,024.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
19.05
mm
Overall Length (C)
34.93
mm
Head Diameter (A)
20.64
mm
Head Height (B)
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    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-019-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$11.23 AUD
$13.47 AUD $11.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
19.05
mm
Overall Length (C)
34.93
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 19.05x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 20.64 mm    Head Height (B): 15.88 mm    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-019-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$11.23 AUD
$13.47 AUD $11.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
25.40
mm
Overall Length (C)
41.28
mm
Head Diameter (A)
20.64
mm
Head Height (B)
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    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-025-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$11.32 AUD
$13.58 AUD $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
25.40
mm
Overall Length (C)
41.28
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 20.64 mm    Head Height (B): 15.88 mm    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-025-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$11.32 AUD
$13.58 AUD $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
38.10
mm
Overall Length (C)
53.98
mm
Head Diameter (A)
20.64
mm
Head Height (B)
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    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-038-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$12.14 AUD
$14.56 AUD $12.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
38.10
mm
Overall Length (C)
53.98
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 38.1x53.98 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 20.64 mm    Head Height (B): 15.88 mm    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-038-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$12.14 AUD
$14.56 AUD $12.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
50.80
mm
Overall Length (C)
66.68
mm
Head Diameter (A)
20.64
mm
Head Height (B)
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    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-051-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$12.95 AUD
$15.55 AUD $12.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
50.80
mm
Overall Length (C)
66.68
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 50.8x66.68 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 20.64 mm    Head Height (B): 15.88 mm    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-051-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$12.95 AUD
$15.55 AUD $12.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 5/16-18 UNC - 7.94mm - 19.05x39.69 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
19.05
mm
Overall Length (C)
39.69
mm
Head Diameter (A)
25.40
mm
Head Height (B)
20.64
mm
Thumb Screws - 5/16-18 UNC - 7.94mm - 19.05x39.69 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-019-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$17.86 AUD
$21.44 AUD $17.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 5/16-18 UNC - 7.94mm - 19.05x39.69 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
19.05
mm
Overall Length (C)
39.69
mm
Thumb Screws - 5/16-18 UNC - 7.94mm - 19.05x39.69 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 25.40 mm    Head Height (B): 20.64 mm    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-019-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$17.86 AUD
$21.44 AUD $17.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 5/16-18 UNC - 7.94mm - 38.1x58.74 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
38.10
mm
Overall Length (C)
58.74
mm
Head Diameter (A)
25.40
mm
Head Height (B)
20.64
mm
Thumb Screws - 5/16-18 UNC - 7.94mm - 38.1x58.74 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-038-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,287.23 AUD
$1,287.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 5/16-18 UNC - 7.94mm - 38.1x58.74 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
38.10
mm
Overall Length (C)
58.74
mm
Thumb Screws - 5/16-18 UNC - 7.94mm - 38.1x58.74 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 25.40 mm    Head Height (B): 20.64 mm    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-038-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,287.23 AUD
$1,287.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 3/8-16 UNC - 9.53mm - 12.7x34.93 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
12.70
mm
Overall Length (C)
34.93
mm
Head Diameter (A)
31.75
mm
Head Height (B)
22.23
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 12.7x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-013-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,543.68 AUD
$1,543.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 3/8-16 UNC - 9.53mm - 12.7x34.93 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
12.70
mm
Overall Length (C)
34.93
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 12.7x34.93 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 31.75 mm    Head Height (B): 22.23 mm    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-013-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,543.68 AUD
$1,543.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 3/8-16 UNC - 9.53mm - 25.4x47.63 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
25.40
mm
Overall Length (C)
47.63
mm
Head Diameter (A)
31.75
mm
Head Height (B)
22.23
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 25.4x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-025-F-CS-WF (Each)
10 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$13.50 AUD
$16.20 AUD $13.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Thumb Screws - 3/8-16 UNC - 9.53mm - 25.4x47.63 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
25.40
mm
Overall Length (C)
47.63
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 25.4x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 31.75 mm    Head Height (B): 22.23 mm    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-025-F-CS-WF (Each)
10 Available Now | Further orders can be expected around Sat, Jun 27, 2026
$13.50 AUD
$16.20 AUD $13.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Thumb Screws - 3/8-16 UNC - 9.53mm - 50.8x73.03 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
50.80
mm
Overall Length (C)
73.03
mm
Head Diameter (A)
31.75
mm
Head Height (B)
22.23
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 50.8x73.03 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-051-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$17.68 AUD
$21.22 AUD $17.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 3/8-16 UNC - 9.53mm - 50.8x73.03 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
50.80
mm
Overall Length (C)
73.03
mm
Thumb Screws - 3/8-16 UNC - 9.53mm - 50.8x73.03 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 31.75 mm    Head Height (B): 22.23 mm    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-051-F-CS-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$17.68 AUD
$21.22 AUD $17.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/2-13 UNC - 12.7mm - 19.05x47.63 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (D)
19.05
mm
Overall Length (C)
47.63
mm
Head Diameter (A)
36.51
mm
Head Height (B)
28.58
mm
Thumb Screws - 1/2-13 UNC - 12.7mm - 19.05x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 19.05 mm   
Part Number: THS127C-019-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,933.86 AUD
$1,933.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 1/2-13 UNC - 12.7mm - 19.05x47.63 mm Flat Key Head - Malleable Iron Screw
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (D)
19.05
mm
Overall Length (C)
47.63
mm
Thumb Screws - 1/2-13 UNC - 12.7mm - 19.05x47.63 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (A): 36.51 mm    Head Height (B): 28.58 mm    Finish: Tumbled    Washer Diameter (E): 19.05 mm   
Part Number: THS127C-019-F-CS-WF (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$1,933.86 AUD
$1,933.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.