Nylon insert locknuts are hex nuts with a nylon-filled collar

1/2-20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1-14 x 12 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8)

3/8-16 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225)

1/4 x 6 Simpson Strong-Drive® SDS Heavy-Duty Connector Screw Double-Barrier Coating - Carton (600) 1-8 Grade 8 Hex Cap Screws Yellow Zinc Plated Nylon insert locknuts are hex1 4 x 6 Simpson Strong Drive SDS Heavy Duty Connector Screw Double Barrier Coating Carton (600) . A 1? 4" diameter high strength structural wood screw ideal for various connector installations as well as wood to wood applications. Features: Patented 4 CUT point (coated version) and type 17 point (stainless version) enable easy driving with no pre drilling and minimal splitting Available with a double barrier coating and Type 316 stainless steel 3? 8"