Teks #12 x 3/4 in. External Hex Flange Hex-Head Self-Drilling Screws (120-Pack)

Metal fastening screws hex washer head self tapping Teks drill point 20-Gauge and thicker metals size 12 in. x 3/4 in. pack of 120 No pre-drilling necessary Screws tap their own threads. Secure fastening and strong holding power. Engineered drill point and flute allow for efficient material removal. Applications: Residential steel frame construction, duct work to steel framing, electrical accessories to steel framing, track to stud and stud splicing.|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