#4-40 x 3/8" Zinc Hex Washer Head Type F Sheet Metal Screws (50 pcs.)

Diameter: #4
Length: 3/8"
Material: Steel
Finish: Zinc
Head Style: Hex Washer (Slotted|Hex)
Point Type: Type F
Thread Size: 40 (Coarse)
Thread Length: Full
Type: Sheet Metal Screw

Box of 50.

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.