Acorn SW-MW1BS250 Metal Building Screw, 1" Ventilated Storage Shelves Don't use in outdoor locations

Don't use in outdoor locations or damp basements

Black molded high density polyethylene

No soldering or glue

Size : 5 Gal

Ultra flexible to -40 degrees Fahrenheit

Acorn SW-MW1BS250 Metal Building Screw, 1" Ventilated Storage Shelves Don't use in outdoor locationsHighlights: #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