Simpson Strong-Tie #10 x 1-7/16" Self-Drilling Screw with Wings, Wafer Head - 410 Stainless Steel, Qty. 100 Large Diameter Concrete Screws is 16 threads per inch

is 16 threads per inch and includes a 5/16" hex head (replacement driver bit — BITHEXR516-134)

Use all specified fasteners

Whether you’re fastening siding to panels or directly to wood

ensuring a watertight seal

they drive fast and pull materials tight without the need to pre-drill

Simpson Strong-Tie #10 x 1-7/16" Self-Drilling Screw with Wings, Wafer Head - 410 Stainless Steel, Qty. 100 Large Diameter Concrete Screws is 16 threads per inchWhen you need to fasten wood, plywood, or OSB directly to steel framing, without predrilling, the Simpson StrongTie F10C144WDC SelfDrilling WaferHead Screw with Wings is built for the job. This precisionengineered screw features a selfdrilling point with breakoff wings that clear the hole and prevent climbing up the shank, while the lowprofile wafer head offers clean seating with full bearing. Made of 410 stainless steel and fulllength