Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel WSHL Subfloor Screw (Collated) Face-mount joist-to-beam or joist-to-header connections

Face-mount joist-to-beam or joist-to-header connections

Bearing Guide Ball-bearing pilot self-guides along the workpiece edge

Model Number: CCO4/6HDG

and other critical moving components receive consistent lubrication automatically

Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel WSHL Subfloor Screw (Collated) Face-mount joist-to-beam or joist-to-header connectionsModel No. S12250HDU Coating Material. Type 305 Stainless Steel Screw size. #12 Drive Type. 5 16 in. Hex Length (in.) 2 1 2 Thread Type. Tapping Threads Head Type. Hex Washer Head TPI. 14 Point Type. Drill Point Use this Stainless Steel Self Drilling Hex Washer Head Screw for fastening aluminum and fiberglass (but not for steel). Applications Aluminum and fiberglass fastening (not steel) Key Features Indented hex washer head Tapping screw thread #3