1/2-13 X 4 Grade 8 Hex Head Screws-25
Model #: SCHH-12-4
Price: $29.60
Description: 1/2-13 x 4 Hex Head Screws, Gr.8, box of 25, 4021-0150
- Length under Head: 4"
- Diameter: 1/2"
- Threads per Inch: NC 13
- Grade 8
Zinc Yellow Finish.
Alloy Steel with Rockwell Hardness C33-39.
Minimum tensile strength is 150,000 PSI.
Meets SAE J-429 standards.