Würth professional countersink with HSS drill
The high-quality countersink from Würth with 4mm or 4,5mm HSS drill bit for tropical wood and hardwood enables precise countersinking of the screw heads. The countersinking and drilling depth can be adjusted separately, the rotatable plastic ring protects the decking wood. The HSS countersinks are precision-ground from high-performance high-speed steel according to DIN 338 with a bright surface. Its cobalt content makes the steel very heat-resistant.