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Item # 71541
4-40 X 3/8" BLACK OXIDE BUTTON HEAD SOCKET CAP SCREW ALLOY
- UM : EA
- Weight: 0.00109
Button head socket cap screws feature a rounded, dome-shaped head and an indented hexagon or "allen" drive. Button head socket cap screws are made from quenched and tempered alloy steel and have a minimum tensile strength of 170,000 PSi, stronger than Grade 8.
Specifications
| Diameter | #4 |
| Thread Pitch | 40 |
| Length | 3/8" |
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