ST Fastening 8-18 x 1/2" HWH Steelbinder Self-Drilling Metal Screw - Electro-Galvanized, Pkg 250 23 Gauge Collated Headless Micropins then drive until the wafer

then drive until the wafer head is flush

pull-through

The Simpson CC44HDG Column Cap - Hot Dip Galvanized enhances the strength and stability of your construction projects

Use with a hex driver bit and power drill or impact driver

ST Fastening 8-18 x 1/2" HWH Steelbinder Self-Drilling Metal Screw - Electro-Galvanized, Pkg 250 23 Gauge Collated Headless Micropins then drive until the wafer8 18 x 1 2" HWH Steelbinder self drilling pole barn screws are designed for general metal to metal construction applications. This includes HVAC, roof deck to steel framing, and roof clips to steel framing. The Drill Point is designed to penetrate a wide variety of metal thicknesses from thin sheet metal to 0. 250" with no "point walking". These Hex Washer Head screws come without a bonded sealing washer.