50 x 45 mm Phillips Flat Machine Screw, Zinc Plated Steel, 25 PK Machine screws are used in fastening nearly all types of hard materials. A machine screw, also called a stove bolt, is generally a smaller fastener threaded the entire length of its shank..M3-0.
Self-Drilling Screw, #14 x 1 in, Zinc Plated Steel Hex Head Hex Drive, 250 PK A self-drilling screw, or tek screw, is similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole..
Especially useful in metal-to-metal or where heavy duty fastening is required.1/4"-20 x 3 in Phillips Flat Machine Screw, Zinc Plated Steel, 100 PK Machine screws are used in fastening nearly all types of hard materials..