03.01.30016 - Chipboard screw double flat w/nibs head F/T SQR#1 with cutting point zinc plated 3,0-16

Chipboard screws with Square recess drive.
Advantages
* One-hand useable (Stainless steel)
* Less slipping out of the screw (Recess connection).
* Easy turn back out (no dammage on drive head)
* Higher driving torx.(hard wood)

one-hand