Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 MIU I-Joist Hangers the InsulDrill’s aggressive thread design

the InsulDrill’s aggressive thread design and durable build give installers confidence with every drive

High Uplift Resistance: Transfers tension forces from wood framing into concrete foundations

this kit provides the reliability professionals demand with the clean finish designers love

Syntec's 7" Coating Removal Abrasive Wheels

most durable woods in the world

Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 MIU I-Joist Hangers the InsulDrill’s aggressive thread designBuilt to stand up to the harshest environments, the Simpson Strong Tie T12400HDUC Self Drilling Hex Washer Head Screws in 316 stainless steel offer unmatched corrosion resistance for demanding applications. These screws are engineered for fastening into 16 to 12 gauge steel, eliminating the need for pre drilling and streamlining your installation. Whether you're working in coastal construction, wastewater facilities, or any high exposure environment,