ST Fastening #14 X 1-1/2" ZXL Tapping Woodbinder Metal Roofing Screw - Ash Gray | Qty. 1,500 (Carton) Sale - Tools design factor is the "ratio
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ST Fastening #14 X 1 1 2" ZXL Tapping Woodbinder Metal Roofing Screw Ash Gray Qty. 1,500 (Carton) Sale Tools design factor is the "ratio design factor is the "ratio of the breaking strength to the working load limit" and should be 3:1 for these E track tie down Cargo Straps Motorcycle Ratchet Strap Kit