KM‑USA Class 10 hex nuts are alloy steel, coarse‑thread metric nuts with a yellow zinc plated finish and KM identification stamp. Engineered for use with 10.9 cap screws, they meet ISO 4032 and ISO 898‑2 standards, providing high strength and improved corrosion resistance. Made in the U.S.A.

Grade 8 USS hex nuts manufactured from alloy steel with a yellow trivalent zinc finish. Coarse threads, heat treated with double chamfered faces for positive wrenching and full seating. Provides high strength and improved holding when matched to Grade 8 bolts.

Grade 8 torque-tension hex nuts manufactured from alloy steel with coarse USS threads and zinc yellow finishes. Heat treated with finished seating faces and double chamfer for positive wrenching; designed to provide high clamp load and consistent holding power in matched assemblies.

Grade 8 SAE hex nuts made from high-strength alloy steel with fine threads and double-chamfered hex heads. Heat treated with finished seating faces and yellow zinc plating for corrosion resistance. Provides matched holding power when paired with Grade 8 cap screws.

Grade 8 torque-tension hex nuts made from high-strength alloy steel with fine threads and double chamfered faces. Heat-treated and finished for uniform seating. The torque-tension design provides more consistent clamp load and improved holding power.