ST Fastening 12 x 3/4" Self-Drilling HWH Steelbinder Metal Screw, Hex Head - Electro-Galvanized, Qty. 250 Quik Drive Cement Board Screws they are not impact resistant

they are not impact resistant

Finished in corrosion-resistant ZMAX coating

Designed for use with light-gauge steel framing members

this hanger ensures strong and stable support for angled joist installations

ST Fastening 12 x 3/4" Self-Drilling HWH Steelbinder Metal Screw, Hex Head - Electro-Galvanized, Qty. 250 Quik Drive Cement Board Screws they are not impact resistant12 14 x 3 4" 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.