Bulk 5/16″-18 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked 440286 • Matching M36 Nuts &

• Matching M36 Nuts & Washers

Bulk Packaging — sealed master cartons—ideal for OEM electronics

Size: 5/16"

Identified by nine radial lines on the head

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

Bulk 5/16″-18 Unslotted Indent Hex-Washer Serrated Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked 440286 • Matching M36 Nuts &Monster 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