Feb 21, 2019 Head Shape . Oval : The underside is tapered like a flat-head screw, but it has a rounded top. Truss: This is a large-diameter heads with a low profile. Fillister: This has a thick profile with a slightly rounded top. Others: As with driving methods, there are heremon varieties as well. Fastener Type Chart Fastener Categories. Screws with a smooth shank and tapered point for use in wood. Head Styles . A countersunk head with a flat top. A countersunk head with a rounded top. Drive Types . The standard drive type for most screws . Similar to Phillips. Nut Types . A six sided nut. TP3 (sometimes referred to as tri-lobe or tri-lobular) is a type of screw drive that uses a Reuleaux triangle -shaped recess in the screw head , so that it cannot be driven by a flat-blade screwdriver . It is used on fast food promotional toys and video games, die-cast toys, and some Roomba battery packs.

1-16 of over 10,000 results for flat head screw Apply Filters Hide Filters. Machine Screws . Socket Head Screws . Sheet Metal Screws . Self-Tapping Screws . Concrete Screws . Wood Screws . Cutting Screws . Thumb Screws . Shoulder Screws See more. Head Style. Flanged Hex. Flat . Modified Truss. Pan. Truss. 12-Point. Binding. Use self-drilling screw store fasten materials to aluminum or sheet metal up to 7 ga. without the need of a pilot hole. The tip size is designated 1 through 5 to indicate the thickness of sheet metal the screw … This screw drive type is very popular – and again, you find them in a very wide range of applications. Common sizes are Phillips #1, #2 and #3. heremon Phillips size is #2. See our available Phillips bits. Phillips Tamper-resistant. heremon, but when you need one, you need one.