3/8"-24 Grade 8 Hex Nut - Yellow Zinc Plated 3/8-24 grade 8 hex nut (fine) yellow zinc HN83824 $0.105/ea
10-24 Hex Machine Screw Nut - Plated (3/8" x 1/8") #10-24 hex machine screw nut (3/8" x 1/8") - plated MSN1024 $0.024/ea