Get this Teks #10 x 5/8 in. Phillips Pancake Head Self Drilling Screws for delivery. Provides secure metal to metal fastening without the need to pre-drill and reduces cam-outs for high performance drive surfaces and recess. Precise point designed to drill, tap and fasten all in 1 motion. High performance drive surfaces reduce cam-outs to penetrate surface the first time for easy installation. Zinc plated finish protects the job’s appearance. No tool slippage even with older sockets and worn bits. No pre-drilling is necessary. Highly versatile. Common project applications: roofing, HVAC, steel stud framing, gutters and register vents.