The Simpson Strong-Tie® Strong-Drive® SDHR Combo-Head Screw is made for serious wood projects like cross-laminated timber (CLT)
Attachment: Heavy-duty wire spring rings (7"-7
Offset Angle Design: Helps reduce stress on the surrounding concrete while increasing concrete cover
making identification simple in fast-paced environments
Clean out the hole thoroughly—remove all dust and debris to ensure full expansion
ST Fastening #12 x 1" Self-Drilling ZXL Steelbinder Metal Roofing Screw, Hex-Washer Head - Crimson, Qty. 250 Strong-Tie SDWS Timber Screws The Simpson Strong-Tie® Strong-Drive® SDHRThe #12 ZXL Steelbinder Self Drilling Metal Roofing Screws are engineered for precision and durability, providing a secure connection for metal roofing panels and siding to steel structures. Perfect for residential, commercial, and agricultural applications, these screws feature a self drilling tip that streamlines installation and a bonded EPDM washer to ensure long lasting, watertight performance. Designed to resist the harshest elements, ZXL screws