Simpson #7 x 2-1/4" Gray 01, Trim-Head Screw, 6-Lobe Drive 305 Stainless Steel PACK:350 Pk x 1-3/4 in

x 1-3/4 in

Grouted concrete masonry - compatible with grouted CMU construction for wall and structural attachment applications

This bit requires an SDS-Max rotary hammer drill

127 is a 1/2" diameter 4 Flute Dowel Drill (Long Series (70mm))

Simpson #7 x 2-1/4" Gray 01, Trim-Head Screw, 6-Lobe Drive 305 Stainless Steel PACK:350 Pk x 1-3/4 inSimpson #7 x 2 1 4" Trim Head Decking Screw in Gray 01 with T15 6 Lobe Drive and Type 305 Stainless Steel finish is engineered for PVC and composite deck installations in marine, coastal, and high exposure outdoor environments. The low profile trim head blends into the decking surface for a clean, polished appearance, while the Type 305 stainless steel construction delivers superior corrosion resistance where standard fasteners would fail. Whether you