Simpson Quik Drive QDPRO250G2 PRO250 Subfloor Workhorse Attachment for Wood or Steel Bugle-Head Wood Screw (Collated) The HL55HDG should be installed

The HL55HDG should be installed with 1/2 in

the Rebar Demon's 4-cutter full carbide head and Tri-Metal Fusion Welding absorb and distribute the impact

Heat-Treatment & Shot-Peened Finish - Proprietary heat-treatment procedures combined with a shot-peened finish increase surface hardness

providing broad compatibility for a wide variety of threading applications

The ECC7 1/8-8 features increased uplift load values specifically designed to address the demands of earthquake or wind loading conditions

Simpson Quik Drive QDPRO250G2 PRO250 Subfloor Workhorse Attachment for Wood or Steel Bugle-Head Wood Screw (Collated) The HL55HDG should be installedThe Simpson Quik Drive PRO250 Subfloor Attachment (QDPRO250G2) by Simpson Strong Tie is an auto feed screw driving attachment engineered for subfloor to wood or steel fastening applications. Designed as part of Simpson's Quik Drive system where extensive research shapes every component to match real world installation workflows this attachment transforms repetitive fastening into a faster, more efficient process. Non skid teeth provide stability and