Screws - Thumb - Flat Key Head - Washer Face

11 Products in this selection
  • Flat Key head malleable iron screws with an integral washer
Additional resources:
Thumb Screws and Nuts PDF Quick Guide
PDF Screws Catalogue
Nuts
A more concise listing may be found on the Smallparts store at Screws - Thumb - Flat Key Head - Washer Face. Smallparts promote the most popular MBA products.
Thread Size (C) Thread Length (D) Overall Length (C) Head Diameter (A) Head Height (B) Indicative
Image
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
1072234 | THS064C-019-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 19.05x34.93 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-019-F-CS-WF Thumb Screws - 1/4-20 UNC -6.35mm- 19.05x34.93 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$10.77 AUD
$10.77 AUD
Each
Thread Size (C) Thread Length (D) Overall Length (C) Indicative
Image
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
19.05
mm
Overall Length (C)
34.93
mm
1072234 | THS064C-019-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 19.05x34.93 mm - 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 Thumb Screws - 1/4-20 UNC -6.35mm- 19.05x34.93 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$10.77 AUD
$10.77 AUD
Each
View the product page first if you are unsure.
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
1072556 | THS064C-025-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 25.4x41.28 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-025-F-CS-WF Thumb Screws - 1/4-20 UNC -6.35mm- 25.4x41.28 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$11.05 AUD
$11.05 AUD
Each
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
25.40
mm
Overall Length (C)
41.28
mm
1072556 | THS064C-025-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 25.4x41.28 mm - 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 Thumb Screws - 1/4-20 UNC -6.35mm- 25.4x41.28 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$11.05 AUD
$11.05 AUD
Each
View the product page first if you are unsure.
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
1073243 | THS064C-051-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 50.8x66.68 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-051-F-CS-WF Thumb Screws - 1/4-20 UNC -6.35mm- 50.8x66.68 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$13.23 AUD
$13.23 AUD
Each
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
50.80
mm
Overall Length (C)
66.68
mm
1073243 | THS064C-051-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 50.8x66.68 mm - 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 Thumb Screws - 1/4-20 UNC -6.35mm- 50.8x66.68 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$13.23 AUD
$13.23 AUD
Each
View the product page first if you are unsure.
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
1073423 | THS064C-013-F-CS-WF (50 Pcs) --- Thumb Screws - 1/4-20 UNC -6.35mm- 12.7x28.58 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-013-F-CS-WF (50 Pcs) Thumb Screws - 1/4-20 UNC -6.35mm- 12.7x28.58 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$685.23 AUD
$685.23 AUD
Per 50
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
12.70
mm
Overall Length (C)
28.58
mm
1073423 | THS064C-013-F-CS-WF (50 Pcs) --- Thumb Screws - 1/4-20 UNC -6.35mm- 12.7x28.58 mm - 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 (50 Pcs) Thumb Screws - 1/4-20 UNC -6.35mm- 12.7x28.58 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$685.23 AUD
$685.23 AUD
Per 50
View the product page first if you are unsure.
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
1074757 | THS064C-038-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 38.1x53.98 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 11.11 mm   
Part Number: THS064C-038-F-CS-WF Thumb Screws - 1/4-20 UNC -6.35mm- 38.1x53.98 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$12.32 AUD
$12.32 AUD
Each
Thread Size (C)
1/4-20 UNC (6.35mm)
Thread Length (D)
38.10
mm
Overall Length (C)
53.98
mm
1074757 | THS064C-038-F-CS-WF --- Thumb Screws - 1/4-20 UNC -6.35mm- 38.1x53.98 mm - 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 Thumb Screws - 1/4-20 UNC -6.35mm- 38.1x53.98 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$12.32 AUD
$12.32 AUD
Each
View the product page first if you are unsure.
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
1077006 | THS079C-019-F-CS-WF --- Thumb Screws - 5/16-18 UNC -7.94mm- 19.05x39.69 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-019-F-CS-WF Thumb Screws - 5/16-18 UNC -7.94mm- 19.05x39.69 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$18.32 AUD
$18.32 AUD
Each
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
19.05
mm
Overall Length (C)
39.69
mm
1077006 | THS079C-019-F-CS-WF --- Thumb Screws - 5/16-18 UNC -7.94mm- 19.05x39.69 mm - 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 Thumb Screws - 5/16-18 UNC -7.94mm- 19.05x39.69 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$18.32 AUD
$18.32 AUD
Each
View the product page first if you are unsure.
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
1077351 | THS079C-038-F-CS-WF (50 Pcs) --- Thumb Screws - 5/16-18 UNC -7.94mm- 38.1x58.74 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 14.29 mm   
Part Number: THS079C-038-F-CS-WF (50 Pcs) Thumb Screws - 5/16-18 UNC -7.94mm- 38.1x58.74 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$801.41 AUD
$801.41 AUD
Per 50
Thread Size (C)
5/16-18 UNC (7.94mm)
Thread Length (D)
38.10
mm
Overall Length (C)
58.74
mm
1077351 | THS079C-038-F-CS-WF (50 Pcs) --- Thumb Screws - 5/16-18 UNC -7.94mm- 38.1x58.74 mm - 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 (50 Pcs) Thumb Screws - 5/16-18 UNC -7.94mm- 38.1x58.74 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$801.41 AUD
$801.41 AUD
Per 50
View the product page first if you are unsure.
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
1085540 | THS095C-013-F-CS-WF (50 Pcs) --- Thumb Screws - 3/8-16 UNC -9.53mm- 12.7x34.93 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-013-F-CS-WF (50 Pcs) Thumb Screws - 3/8-16 UNC -9.53mm- 12.7x34.93 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$1,072.59 AUD
$1,072.59 AUD
Per 50
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
12.70
mm
Overall Length (C)
34.93
mm
1085540 | THS095C-013-F-CS-WF (50 Pcs) --- Thumb Screws - 3/8-16 UNC -9.53mm- 12.7x34.93 mm - 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 (50 Pcs) Thumb Screws - 3/8-16 UNC -9.53mm- 12.7x34.93 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$1,072.59 AUD
$1,072.59 AUD
Per 50
View the product page first if you are unsure.
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
1086922 | THS095C-051-F-CS-WF --- Thumb Screws - 3/8-16 UNC -9.53mm- 50.8x73.03 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-051-F-CS-WF Thumb Screws - 3/8-16 UNC -9.53mm- 50.8x73.03 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$17.41 AUD
$17.41 AUD
Each
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
50.80
mm
Overall Length (C)
73.03
mm
1086922 | THS095C-051-F-CS-WF --- Thumb Screws - 3/8-16 UNC -9.53mm- 50.8x73.03 mm - 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 Thumb Screws - 3/8-16 UNC -9.53mm- 50.8x73.03 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$17.41 AUD
$17.41 AUD
Each
View the product page first if you are unsure.
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
1088245 | THS095C-025-F-CS-WF --- Thumb Screws - 3/8-16 UNC -9.53mm- 25.4x47.63 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 15.88 mm   
Part Number: THS095C-025-F-CS-WF Thumb Screws - 3/8-16 UNC -9.53mm- 25.4x47.63 mm - Malleable Iron
10 Available Immediately | Further orders can be expected around Tue, May 27, 2025
$16.86 AUD
$16.86 AUD
Each
Thread Size (C)
3/8-16 UNC (9.53mm)
Thread Length (D)
25.40
mm
Overall Length (C)
47.63
mm
1088245 | THS095C-025-F-CS-WF --- Thumb Screws - 3/8-16 UNC -9.53mm- 25.4x47.63 mm - 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 Thumb Screws - 3/8-16 UNC -9.53mm- 25.4x47.63 mm - Malleable Iron
10 Available Immediately | Further orders can be expected around Tue, May 27, 2025
$16.86 AUD
$16.86 AUD
Each
View the product page first if you are unsure.
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
1103285 | THS127C-019-F-CS-WF (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Washer Diameter (E): 19.05 mm   
Part Number: THS127C-019-F-CS-WF (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$1,454.77 AUD
$1,454.77 AUD
Per 50
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (D)
19.05
mm
Overall Length (C)
47.63
mm
1103285 | THS127C-019-F-CS-WF (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - 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 (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron
Out of Stock | Backorder Now | Orders can be expected around Tue, May 27, 2025
$1,454.77 AUD
$1,454.77 AUD
Per 50
View the product page first if you are unsure.