5/16-18 X 1/2 Grade 8 Hex Head Screws-100
Model #: SCHH-56-1/2
Price: $10.20
Description: 5/16-18 x 1/2 Hex Head Screws, Gr.8, box of 100, 4021-0045
- Length under Head: 1/2"
- Diameter: 5/16"
- Threads per Inch: NC 18
- Grade 8
Zinc Yellow Finish.
Alloy Steel with Rockwell Hardness C33-39.
Minimum tensile strength is 150,000 PSI.
Meets SAE J-429 standards.