Round Head U-Drive Screws

1/4-20X1 1/4 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc Bake. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.

8X1/4 Phillips Truss Thread Cutting Screw Type 25 Fully Threaded Zinc Bake. Thread-Cutting Type-25 screws provide excellent chip clearance. Steel: Used in molded or through holes in plastics and other soft materials. Stainless: Material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Truss head screws are weaker than pan or round heads but preferred in applications where minimal clearance exists above the head. Modified truss heads offer low clearance and an extra large bearing surface. Commonly used to attach metal lathe to metal studs.

4X3/8 #3HD Six Lobe Pan High Low Screw Fully Threaded Zinc Bake. High-Low thread for use in plastic, nylon, wood or other low-density materials. Thread design reduces driving torques, enhances resistance to thread stripping, improves pullout strength and lessens the risk of cracking the work piece. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

Wall Plate Screws are used to fasten outlet covers and electrical wall plates. They also come readily available with tamper proof drives. The most common wall plate screw lengths fall within the 5/16-inch through 1-inch range. Features: Chip Resistant Applications: Wall Plates It is made up of Carbon Steel

The Ultimate Composite Deck Screw. C-Deck Composite Deck Screws are for use with wood, composite, PVC and other plastic materials. Stainless Steel C-Deck screws are available in 10 colors that will match most common deck colors on the market and has shown over 1000 hours of resistance in salt spray tests. C-deck is specially designed to eliminate the mushrooming and blemishes that can occur in composite materials. Features: Pressure treated compatible - Excellent performance in all plastic composite, PVC & wood decking Eliminates composite mushrooming, does not produce secondary lumps ...