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.
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..
The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head..
A machine screw, also called a stove bolt, is generally a smaller fastener threaded the entire length of its shank. Especially useful in metal-to-metal or where heavy duty fastening is required.
. A flange nut has a wide flange at one end that acts as an integrated, non-spinning washer.This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface.