Back Home / Fasteners / Nuts / HEX NUT STAINLESS UNC 5/16″-18 HEX NUT STAINLESS UNC 5/16″-18 SKU: SSN5618 Categories: Fasteners, Nuts A finished hex nut made from stainless steel. For use with grade stainless steel cap screws. Proof load: 100,000 psi. Corrosion resistant 18-8 stainless steel alloy. Size: 5/16″-18. Case Quantity: 100 Log In For Pricing