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Stainless Steel Flanged Spade-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a flange that provides a bearing surface to hold parts under the head. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel  | ||||||
6-32 | ||||||
| 3/8" | 5/16" | 11/32" | 0.245" | 10 | 000000000 | 000000 |
| 1/2" | 5/16" | 11/32" | 0.245" | 10 | 000000000 | 00000 |
8-32 | ||||||
| 3/8" | 23/64" | 25/64" | 0.281" | 10 | 000000000 | 00000 |
| 1/2" | 23/64" | 25/64" | 0.281" | 10 | 000000000 | 00000 |
| 3/4" | 23/64" | 25/64" | 0.281" | 5 | 000000000 | 0000 |
| 1" | 23/64" | 25/64" | 0.281" | 5 | 000000000 | 00000 |
10-24 | ||||||
| 3/8" | 7/16" | 15/32" | 0.343" | 10 | 000000000 | 00000 |
| 1/2" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
| 3/4" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
| 1" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
| 1 1/2" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
10-32 | ||||||
| 3/8" | 7/16" | 15/32" | 0.343" | 10 | 000000000 | 00000 |
| 1/2" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 0000 |
| 3/4" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
| 1" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
| 1 1/2" | 7/16" | 15/32" | 0.343" | 5 | 000000000 | 00000 |
1/4"-20 | ||||||
| 1/2" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 0000 |
| 5/8" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 00000 |
| 3/4" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 00000 |
| 1" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 00000 |
| 1 1/4" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 00000 |
| 1 1/2" | 33/64" | 19/32" | 0.435" | 5 | 000000000 | 00000 |
| 2" | 33/64" | 19/32" | 0.435" | 1 | 000000000 | 0000 |
| 2 1/2" | 33/64" | 19/32" | 0.435" | 1 | 000000000 | 0000 |
5/16"-18 | ||||||
| 3/4" | 11/16" | 3/4" | 0.563" | 1 | 000000000 | 0000 |
| 1" | 11/16" | 3/4" | 0.563" | 1 | 000000000 | 0000 |
| 1 1/2" | 11/16" | 3/4" | 0.563" | 1 | 000000000 | 0000 |
3/8"-16 | ||||||
| 1" | 13/16" | 15/16" | 0.69" | 1 | 000000000 | 0000 |
| 1 1/2" | 13/16" | 15/16" | 0.69" | 1 | 000000000 | 0000 |
| 2" | 13/16" | 15/16" | 0.69" | 1 | 000000000 | 0000 |
Steel Flanged Spade-Head Thumb Screws
A flange provides a bearing surface to hold parts under the head. Length is measured from under the flange.
Zinc-plated steel thumb screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Tensile Strength, psi | Hardness | Pkg. Qty. | Pkg. | |
Steel | ||||||||
6-32 | ||||||||
| 1/4" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 25 | 000000000 | 000000 |
| 3/8" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1/2" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
8-32 | ||||||||
| 3/8" | 23/64" | 25/64" | 0.281" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1/2" | 23/64" | 25/64" | 0.281" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
10-24 | ||||||||
| 3/8" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
10-32 | ||||||||
| 3/8" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
1/4"-20 | ||||||||
| 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1 1/4" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 2 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
5/16"-18 | ||||||||
| 1/2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 1" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1 1/2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 2 1/2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
3/8"-16 | ||||||||
| 3/4" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 1" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 1 1/4" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 1 1/2" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 2" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 2 1/2" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 3" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
Zinc-Plated Steel | ||||||||
6-32 | ||||||||
| 1/4" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 3/8" | 5/16" | 11/32" | 0.250" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
8-32 | ||||||||
| 3/8" | 23/64" | 25/64" | 0.281" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1/2" | 23/64" | 25/64" | 0.281" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
10-24 | ||||||||
| 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 3/4" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
10-32 | ||||||||
| 3/8" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 3/4" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 0000 |
| 1 1/2" | 7/16" | 15/32" | 0.344" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
1/4"-20 | ||||||||
| 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 3/4" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 25 | 000000000 | 00000 |
| 1 1/4" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 2 1/2" | 33/64" | 19/32" | 0.438" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
5/16"-18 | ||||||||
| 1/2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 3/4" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1 1/2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 2" | 11/16" | 3/4" | 0.563" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
3/8"-16 | ||||||||
| 3/4" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 0000 |
| 1 1/2" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |
| 2" | 13/16" | 15/16" | 0.688" | 40,000 | Rockwell B55 | 10 | 000000000 | 00000 |