Chenango Supply - N.9 x 1inches Hex Washer Head Metal Roof Screw Self Starting/self Tapping Metal to Wood, Sheet Metal Roofing, siding Screws with EPDM Washer Seal. 100 PCS (N.9 x 1;

Sheet Metal Roofing Screws with hex washer head. These self starting roofing screws come with an EPDM washer already on the screw. The washer will form a seal that will keep your roofing and siding from leaking at the attach points. These screws are good for installing roofing and siding on a wide variety of buildings.