Big Screw Head , Width Body , Small Drill Point
Countersunk Drywall Screw : For the fiber cement board and plywood ,
can screw directly without pre-drill , can screw only the thickness between 0.55-1.20mm.
The special design of the screw head : Can embedded in the workpieces ,
more convinient to trim the details.
The small drill point and the deeper threads make the more effectively holding with the frame.