A carcass screw with wallop! A sharp point & honed, deep thread screws fast through stubborn end grain composites without splitting - a coarse finish helps it stay there under pressure! Such as MDF & Chipboard.
 

A carcass screw with wallop! A sharp point & honed, deep thread screws fast through stubborn end grain composites without splitting - a coarse finish helps it stay there under pressure! Such as MDF & Chipboard.