Description
Usable for the plywood , billboard , steel plate , stainless steel plate and multipurpose , can screw directly without pre-drill ,
ST-Wafer-Head-Screw
the special tapping point (t-17) is helpfully to scoop and drill the wood , to prevent the broken while using , extra width screw head for more faster , more convinience and more tightly holding with the workpieces.
Self-Tapping-Wafer-Head-Screw-Size
