Bulk 5/16″-18 Slotted Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Opti Seal Replace nuts

Replace nuts

offering exceptional tensile strength and load-bearing capacity

✔️ High-strength alloy steel with excellent corrosion resistance

The Type F thread cutting design ensures secure fit and minimal loosening

Need matching hardware

Bulk 5/16″-18 Slotted Hex-Washer Thread-Cutting Screws — Type F, Bright-Zinc Steel Opti Seal Replace nutsMonster Overview: These 5 16 18 Slotted Hex Washer Thread Cutting Screws deliver bolt level clamp force in a single self tapping partideal for trailer frames, dock decks, heavy gauge sheet metal, and hardwood to steel assemblies. The indented hex head with integral washer spreads load and seals oversize holes, while a deep flat blade slot gives a back up drive in tight quarters. Heat treated carbon steel carries a brilliant bright zinc electro plate,