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" The 82 ° countersunk head

The 82 ° countersunk head seats level with the surface

and other ductile metals— leaving a serviceable internal thread free of chips and burrs

Enhance your projects with our premium M10 x 1

providing exceptional holding power in wood and superior corrosion resistance in harsh environments

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

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" The 82 ° countersunk headMonster 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