ST Fastening #12 X 1-1/2" ZXL Type 17 Woodbinder Metal Roofing Screw For OSB - Koko Brown, Pkg 250 Box Nails BT's and BTB's specifically are

BT's and BTB's specifically are used for connecting structures that have an airspace of 2” to 3”

Precision-Engineered Construction: 14-gauge steel ensures durability and reliability under heavy loads

It uses a tighter weave and thicker yarn than standard straps

The SCBH3X15

ST Fastening #12 X 1-1/2" ZXL Type 17 Woodbinder Metal Roofing Screw For OSB - Koko Brown, Pkg 250 Box Nails BT's and BTB's specifically areThe ZXL Type 17 Woodbinder Metal Roofing Screws are precision engineered for securely attaching metal roofing panels to OSB (Oriented Strand Board) substrates. Designed for superior performance, these screws are the perfect choice for both professionals and DIY enthusiasts tackling residential, agricultural, or commercial roofing projects. Constructed from high quality steel with ZXL corrosion resistant coating, these screws deliver long lasting