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Stainless Steel Hex-Head Thumb Screws

Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. Tighten them with a wrench for more torque while fastening. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||
4-40 | ||||||
1/2" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 00000 |
6-32 | ||||||
1/2" | 5/16" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 0000 |
8-32 | ||||||
1/2" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 0000 |
3/4" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 0000 |
10-32 | ||||||
1/2" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 0000 |
5/8" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 0000 |
3/4" | 1/2" | 3/8" | 80,000 | Rockwell B83 | 000000000 | 0000 |
1/4"-20 | ||||||
5/8" | 1/2" | 3/8" | 80,000 | Rockwell B83 | 000000000 | 0000 |
3/4" | 1/2" | 3/8" | 80,000 | Rockwell B83 | 000000000 | 0000 |
1" | 5/8" | 7/16" | 80,000 | Rockwell B83 | 000000000 | 0000 |
1 1/4" | 5/8" | 7/16" | 80,000 | Rockwell B83 | 000000000 | 0000 |
Steel Hex-Head Thumb Screws

Tighten these thumb screws with a wrench for more torque while fastening. A black-oxide finish provides corrosion resistance in dry environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Tensile Strength, psi | Hardness | Each | |
Black-Oxide Steel | ||||||
4-40 | ||||||
1/2" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 00000 |
6-32 | ||||||
1/2" | 5/16" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 0000 |
8-32 | ||||||
1/2" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 0000 |
3/4" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 0000 |
10-32 | ||||||
1/2" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 0000 |
5/8" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 0000 |
3/4" | 1/2" | 3/8" | 70,000 | Rockwell B84 | 000000000 | 0000 |
1/4"-20 | ||||||
5/8" | 1/2" | 3/8" | 70,000 | Rockwell B84 | 000000000 | 0000 |
3/4" | 1/2" | 3/8" | 70,000 | Rockwell B84 | 000000000 | 0000 |
1" | 5/8" | 7/16" | 70,000 | Rockwell B84 | 000000000 | 0000 |
1 1/4" | 5/8" | 7/16" | 70,000 | Rockwell B84 | 000000000 | 0000 |