Acorn SW-MW1BW250 Mw Scrw, Metal To Wood, 1", Brtwht 250 BF10 Use it with power tools

Use it with power tools

5" Wide x 12

It expands and contracts up to 350% with the roof's movement to resist damage

Hot water rated 160 degrees fahrenheit

and fixture (except 0-10V loads)

Acorn SW-MW1BW250 Mw Scrw, Metal To Wood, 1", Brtwht 250 BF10 Use it with power tools#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