Self Tapping Screw Information

Highly versatile screw, used in metal, wood and fiberglass. Available in steel and stainless steel.

Cross recessed head Countersunk Self Tapping Screw (Pozi).
Countersunk screws fit flush into the material for a smooth surface.  Steel is zinc plated for moderate protection against rust.  Stainless steel A2 is an alloy of steel with high corrosion resistance. Stainless has become the material of choice for exterior and most marine applications.
Cross recessed raised head countersunk Self Tapping Screw (Pozi).
Cross recessed raised head countersunk head screws are similar to countersunk head, but have a slightly rounded top for a more finished look.
Cross recessed pan head Self Tapping Screw (Pozi).
A pan head screw sits on the surface the surface of the material to be fastened and has a flat underside.
Cross recessed pan head self drilling Screw, Self Tapping Screw (Pozi).
Sheet metal screw with drill point and a Cross recessed pan head.
Hex head washer faced Self Tapping Screw.
Sheet metal screw with a hex head and a washer attached.
Hex head washer faced self drilling.
Sheet metal screw with a hex washer head and a drill point.
Slotted head Countersunk Self Tapping Screw.
Countersunk screws fit flush into the material for a smooth surface.
Slotted head raised head countersunk Self Tapping Screw.
Cross recessed raised head countersunk head screws are similar to countersunk head, but have a slightly rounded top for a more finished look.
Slotted pan head Self Tapping Screw.
A pan head screw sits on the surface of the material to be fastened and has a flat underside.