Phillips Pancake Head Self Drilling Sheet Metal Screws Sheet Metal Screws with a Self Drilling TEK Point Hardened 410 Stainless SteelSelf drilling point (TEK) with self tapping threadsUltra low profile head with both decorative and practical reasonsCommonly used in exterior elements410 Stainless steel self drilling screws are hardened and corrosion resistant Phillips pancake head self drilling screws are made of 410 stainless steel and have a sheet metal thread with a self driller cutting (TEK) point to pierce through 20 to 14 gauge metals. Self Drilling Screws are used primarily when fastening into steel or other metals and are typically used to join materials like sheet metal. These screws are identified by the unique point or flute at the end of each screw. Self Drillers are used to save time and effort, because they eliminate the need to drill a pilot hole, tap it, and then install the screw. Product Specifications: Product Type: Self Drilling Sheet Metal ScrewDrive Style: PhillipsHead Style: PancakeThread Size: #12Thread Diameter Major: 0.215"Thread Diameter Minor: 0.164"Point: TEK-3Material: 410 Stainless SteelHardness: 40 Rockwell CTensile: 180,000 PSI Heat TreatedStandards: ANSI B18.6.4 Phillips Pancake Head Self Drilling Screws - 410 Stainless Steel 410 Stainless Steel Self Drilling Screws in this selection are made of 410 stainless steel, which is harder than normal 18-8 stainless. This hardened metal, the self tapping threads, and the TEK self drilling point makes installation of these screws into metal a breeze. Phillips Pancake Head Self drilling screws in this selection feature a phillips drive. Pancake head screws are ultra low profile with an undercut bottom. This type of head is often used for both decorative and practical reasons. TEK Self Drilling Point Phillips pancake head self drilling screws feature a self drilling point with self tapping threads for easy installation into metal. The TEK point pierces 20 to 14 gauge metals, and eliminates the need to drill a pilot hole, tap it, and then install the screw.