Hillman Fasteners 250508 LB 10 x 1.5 in. Metal to Wood Self-Drilling Roofing Screws, Black

Powerpro, lb., 10 x 1.5", black finish, metal to wood self-drilling roofing screws, designed to fasten steel roofing to wood purlins used in post-frame construction and plywood or OSB used in residential construction, produced with coating with enhanced corrosion resistance over painted heads, 2.5 mils of powder with chromate sealer, HWH with V-neck design, adds strength and prevents charges from popping, EPDM rubber is vulcanized to a steel washer to form an excellent seal even when driven at an angle, threads transition from fine too coarse to generate superior holding strength in various wood substrates, micro-bit point reduces metal shavings that can embed themselves in the rubber washer, starts fast finishes straight, pro-stick bit included.