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, 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 faster drive time and greater resistance to pull out

All screws are 1,000 hour salt spray test dacro-coated

The color screws are powder-coated over the dacro base coating

Screws are packed 250 pieces, in a heavy-duty tear off resealable bag; UPC coded and shelf ready

All bag and carton labels are trilingual

Cartons are heavy-duty cardboard of uniform size and distinctive yellow color for better retail identity