To complete your set up check out our Fastener Shop Setups and our KM-USA High Head Cap Screw Assortments. To refill your bin, check out our Junior Packs.

To complete your assembly:

• 34-3808 1/2"-13 Grade 8 (USS) Hex Nut - 50 Pack
• 34-4808 1/2"-13 Grade C (USS) Ultra-Lock Nut - 50 Pack
• 34-8408 1/2"-13 Grade 8 (USS) Nylon Insert Lock Nut - 25 Pack
• 37-3808 1/2" Grade 8 (USS) Yellow Zinc Alloy Steel Flat Washer - 50 Pack
• 37-3908 1/2" Grade 8 (SAE) Yellow Zinc Alloy Steel Flat Washer - 50 Pack
• 37-4808 1/2" Grade 8 Yellow Zinc Alloy Steel Split Lock Washer - 100 Pack

Product Features:

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  • 100% made in the U.S.A. from raw material melted and rolled in the U.S.A.
  • 100% lot traceability back to raw material.
  • 20% higher head provides increased wrenchability.
  • Special high strength chrome alloy steel.
  • 30° head point provides easier alignment in a threaded hole or with a hex nut.
  • Roll formed threads with 60° flank angle provide superior fatigue resistance.
  • UN Class 2A formed thread fit; post plating is considered Class 3A per ASME B1.1-2003 (R2008) and provides enhanced thread engagement.
  • RoHS Compliant Zinc-Yellow Trivalent Plated.
  • Tensile strength 150,000 P.S.I. minimum.

Please note that supply chain shortages may require us to temporarily substitute some non-domestic products, including in assortments.