Bulk 3/8″-16 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:700 Qty - 3/8-16 x 1-1/4" System of Measurement : Inch

System of Measurement  :  Inch (Imperial / US)

Manufactured from carbon steel and treated with a black zinc and bake coating

shallow countersinks or limited back-side clearance

The washers feature external teeth that bite into the fastener head and the mating surface

Thread Cutting: Type F point creates threads in pre-drilled holes

Bulk 3/8″-16 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Length:700 Qty - 3/8-16 x 1-1/4" System of Measurement : InchMonster Overview: Built for trailer decks, dock framing, truck beds and heavy timber to steel joints, these 3 8 16 Unslotted Indent Hex Washer Serrated Thread Cutting Screws combine secure bite with vibration proof clamping. Heat treated carbon steel blanks are coated with lustrous bright zinc, hydrogen relief baked to IFI specs, then factory dry waxed for consistently low drive torque. Radial serrations under the integral washer dig into steel or