Bulk 5/16″-18 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked 440286 48-2 Thread-Forming Geometry: Maximises pull-out

48-2 Thread-Forming Geometry: Maximises pull-out resistance while fighting strip-out in ABS

offering exceptional tensile strength and load-bearing capacity

Fast warehouse fulfillment from Florida

Feature Details Diameter / Thread #12-24 UNC Head / Drive Slotted Indented Hex Washer (3/8″ A/F) – Non-Serrated Point Style Type 1 (single-edge

Drive Type: Requires 5mm Hex Key

Bulk 5/16″-18 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked 440286 48-2 Thread-Forming Geometry: Maximises pull-outMonster Overview: Ideal for steel framing, trailer decks, dock construction and timber to steel joints, these 5 16 18 Unslotted Indent Hex Washer Serrated Thread Cutting Screws combine quick assembly with shake proof clamping. Heat treated carbon steel blanks boast a bright zinc electro plate, are hydrogen relief baked, then factory dry waxed to keep drive torque low. A ring of radial serrations under the washer bites into the mating surface to resist