Simpson #12 x 1-1/4" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:1000 Pk this full-round-head nail delivers efficient

this full-round-head nail delivers efficient collated driving in asphalt shingle and synthetic slate roofing systems

DHPDSS212R1000: 1000 Pk - includes Driver bit included (replacement bit model BIT2S-2-R2)

low-profile head sits flush and blends into the decking surface for a clean

without sacrificing the power needed for large-diameter bar work

Simpson #12 x 1-1/4" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:1000 Pk this full-round-head nail delivers efficientSimpson #12 x 1 1 4" Self Drilling Hex Washer Head Screw in 305 Stainless Steel is a precision engineered fastener from Simpson designed for reliable, corrosion resistant fastening in aluminum and fiberglass applications. The tapping thread design and #3 drill point allow this screw to cut its own path without a pre drilled pilot hole, saving installation time and effort. With a 5 16 in. hex drive and indented hex washer head, this screw delivers