Bulk 1/2″-13 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:200 Qty - 1/2-13 x 3" these nuts are an essential

these nuts are an essential choice for projects that demand long-lasting

designed for precise adjustment on guitars that use M3 (metric) saddle screws

Available in both Coarse (UNC) and Fine (UNF) threads from 1"-20 to 3/4"-16

These precision-machined screws are designed to tap their own threads in pre-drilled holes in thicker metals

Bulk 1/2″-13 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:200 Qty - 1/2-13 x 3" these nuts are an essentialMonster Overview: Engineered for truck beds, heavy trailer decks, dock framing and structural steel, these 1 2 13 Unslotted Indent Hex Washer Serrated Thread Cutting Screws deliver maximum clamp load that stays put. Heat treated carbon steel blanks receive a high luster bright zinc electro plate, are hydrogen relief baked, then factory dry waxed for consistently low seating torque. The integral washers radial serrations bite into steel or wood,