The insert are made of imported top-grade powder metallurgy high-speed steel. It adopts chip geometric edge design, and also adopts a variety of materials. With a number of high-performance coatings, it can cover stainless steel, structural steel and other metal and non-metallic materials drilling operations, the diameter is from 9.5mm to 114mm,
Технические характеристики
CharacteristicsTypeinsertDrill bit materialHSSOther characteristicshigh-performance, spadeDiameter
Max.: 114 mm (4.49 in)
Min.: 9.5 mm (0.37 in)
