To complete your set up check out our Fastener Shop Setups and our Grade 5 Hex Head Cap Screw Assortments.

To complete your assembly:

• 34-5005 5/16"-18 Grade 5 (USS) Hex Nut - 100 Pack
• 34-9405 5/16"-18 Grade 5 (USS) Nylon Insert Lock Nut - 50 Pack
• 37-3505 5/16" Grade 5 (USS) Flat Washer - 100 Pack
• 37-3605 5/16" Grade 5 (SAE) Flat Washer - 100 Pack
• 37-4505 5/16" Grade 5 Split Lock Washer - 100 Pack

Product Features:

• 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.