A sheet metal screw has sharp threads that cut into a material such as sheet metal, plastic, wood, hard rubber, aluminum, and other comparable compositions.Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood..
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..
USS flat washers have a large, wider body. SAE flat washers are machined to a tighter specification and have a smaller outside diameter. Flat Washer, Fits Bolt Size #6 ,18-8 Stainless Steel 50 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. Commonly used with flat or lockwashers.
.Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood. A sheet metal screw has sharp threads that cut into a material such as sheet metal, plastic, wood, hard rubber, aluminum, and other comparable compositions.
A hex key is required to tighten or loosen a socket screw. Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.
USS flat washers have a large, wider body. Flat Washer, Fits Bolt Size #6 ,Aluminum 50 PK. SAE flat washers are machined to a tighter specification and have a smaller outside diameter.