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Metal to wood screws are self-piercing sealing tapping screws made from heat treated C1022 steel; case hardened for roofing and siding applications. Features a 1/4" across flat high hat hex washer...
Metal to wood screws are self-piercing sealing tapping screws made from heat treated C1022 steel; case hardened for roofing and siding applications. Features a 1/4" across flat high hat hex washer head with assembled EPDM (Ethylene Propylene Diene Monomer) washer offers easy driving and conforms to the 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 pull out. All screws are 1 000 hour salt spray test...