Bulk 5/16″-18 Unslotted Indent Hex-Washer Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:1500 Qty - 5/16-18 x 3/4" Superior Material: Manufactured from high-quality

Superior Material: Manufactured from high-quality 316 (A4) stainless steel for enhanced durability and corrosion resistance

A Type 23 triangular chip-relief pocket clears swarf as it cuts—reducing drive torque and leaving crisp internal threads in steel

Versatile Applications: Can be used as-is or with custom finishes like galvanization or painting

Secure Your Bulk Order Today

Fine Thread Precision: UNF threads provide superior clamping force and vibration resistance

Bulk 5/16″-18 Unslotted Indent Hex-Washer Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:1500 Qty - 5/16-18 x 3/4" Superior Material: Manufactured from high-qualityMonster Overview: Made for trailer decks, steel framing, dock builds and heavy timber to steel joints, these 5 16 18 Unslotted Indent Hex Washer Head Thread Cutting Screws combine speed with strength. Heat treated carbon steel blanks carry a lustrous bright zinc electro plate, are hydrogen relief baked, then factory dry waxed for reliably low drive torque. The captive washer flange spreads load, while the Type F fluted point taps mating threads in a