Biggest heavy duty hardware tools retail store to buy Nuts, Bolts, Screws & Fasteners
DETAILS
DESCRIPTION
Use with Grade 5 or 8 fasteners. Extra thick alloy uss flat washers. High tensile strength, won't dish out. ASTM F436 Rockwell hardness of C38-C45. ASTM A325 and A490 dimensional specifications. Plating: zinc; yellow dichromate plating for corrosion resistance.
Highlights:
- Size: 1/2"
- Outside Diameter: 1"-3/8"
- Inside Diameter: 9/16"
- Thickness: 0.170-.195
- Pack of 50