To complete your set up check out our KM-USA High Head Cap Screw Assortments.
To complete your assembly:
-  34-3906 3/8"-24 Grade 8 (SAE) Hex Nut - 100 Pack
-  34-4906 3/8"-24 Grade C (SAE) Ultra-Lock Nut - 50 Pack
-  34-8506 3/8"-24 Grade 8 (SAE) Nylon Insert Lock Nut - 25 Pack
-  37-3806 3/8" Grade 8 (USS) Yellow Zinc Alloy Steel Flat Washer - 100 Pack
-  37-3906 3/8" Grade 8 (SAE) Yellow Zinc Alloy Steel Flat Washer - 100 Pack
-  37-4806 3/8" Grade 8 Yellow Zinc Alloy Steel Split Lock Washer - 100 Pack
Product Features:
- 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.