Acorn SW-MW1BL250 Metal Building Screw 1", Blue Winter_Items Type I and Federal Specification

Type I and Federal Specification SS-C 153C Type I

7/16" hardened steel shackle

How much water will one Dunk® effectively treat

Set Includes Sizes: 5/16"

Modular sunblock top

Acorn SW-MW1BL250 Metal Building Screw 1", Blue Winter_Items Type I and Federal SpecificationHighlights : #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