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Hillman
Hex cap screws are bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. These screws feature a coarse 5/16"-18 USS thread size.
FEATURES AND BENEFITS
Hillman Zinc Hardened Nylon Insert Grade C USS Coarse Stop Nut 5/8"-11
Hillman Zinc Hardened Nylon Insert Grade C USS Coarse Stop Nut 3/4"-10
Hillman Yellow Dichromate Grade 8 Hex Cap Screw 1/4" x 2-1/2"
Hillman Split Lock Washer 9/16"
Hillman Yellow Dichromate Grade 8 Hex Cap Screw 3/4" x 4"