To complete your set up check out our Complete Grade 5 Coarse Thread Fastener Shop Setup and our KM-USA High Head Cap Screw Assortment.
Complete your Assembly with our nuts and washers:
- 34-5005 - 5/16"-18 Hex Nuts - 100 Pack
- 34-9405 - 5/16"-18 Ultra-Lock Nuts - 50 Pack
- 37-3505 - 5/16" USS Pattern Alloy Steel Flat Washer - 100 Pack
- 37-3605 - 5/16" SAE Pattern Alloy Steel Flat Washer - 100 Pack
- 37-4505 - 5/16" Alloy Steel Split Lock Washers - 100 Pack
Product Features:
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- Marked with 3 radial lines to identify as Grade 5.
- Meet all tolerances specified by American standards.
- Meet all the rigid specs set by the Industrial Fastener Institute.
- Washer face under the head to assure a smooth bearing surface.
- Chamfered tip to assure a prompt, fast assembly.
- Zinc plated.
- Made in the U.S.A.
Please note that supply chain shortages may require us to temporarily substitute some non-domestic products, including in assortments.