Acorn SW-MW1TP250 Metal Building Screw, 1", Taupe Mixes Thread FPT: 3/4"

Thread FPT: 3/4"

penetrate deep into the wood

Best power-to-weight ratio in the industry

Loose key - No kink

12 on/12 off external settings

Acorn SW-MW1TP250 Metal Building Screw, 1", Taupe Mixes Thread FPT: 3/4"#9 15 metal to wood screws are sealing self piercing tapping screws made from heat treated C1022 steel, case hardened for roofing and siding applications. A 1 4" across flats high hat hex washer head with assembled EPDM washer offers easy driving and conforms to the metal surface for a secure and long lasting seal. The twin lead type 17 point and hi lo threads offer faster drive time and greater resistance to pullout. All screws are 1,000 hour salt