Würth professional countersink with HSS drill bit
The high-quality countersink from Würth with 4 mm or 4.5 mm HSS drill bit for tropical wood and hardwood enables precise countersinking depths of the screw heads. Countersinking and drilling depths can be set separately, the rotating plastic ring protects the decking wood. The HSS countersinks are precision-ground from high-performance high-speed steel to DIN 338 with a bright surface. Their cobalt content makes the steel very heat-resistant.









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