1/4-20X1 1/4 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc Bake, Pkg of 2500

10X1 SQUARE DRIVE FLAT HEAD Full Thread SELF DRILLING SCREW ZINC. Self drilling screws have point to cut through material and eleiminate the need to drill a pilot hole. 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.

10X1 1/4 Square Drive Pan Self Drilling Screw Full Thread Zinc Bake. Self drilling screws have point to cut through material and eleiminate the need to drill a pilot hole. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

8X2 SQUARE DRIVE FLAT HEAD Full Thread SELF DRILLING SCREW ZINC. Self drilling screws have point to cut through material and eleiminate the need to drill a pilot hole. 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.

3/8-16X4 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc. 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. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.

6X1 5/8 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.