Hole Saw Cutter Metal Drill Bit HSS Steel Cobalt. Set of 5 Drill Bits: 16 + 18.5 + 20 + 25 + 30 mm HSS Cobalt, M35, HRC 64–66 Shank 9.5 mm

General descriptionProfessional quality Cobalt Metal Drill Bit Set Hole Saw. This set includes five drill bits with diameters of 16 mm, 18.5 mm, 20 mm, 25 mm, and 30 mm, made from high-speed steel with 5% cobalt, ensuring high resistance and durability. Ideal for drilling through steel, aluminum, metal, wood, and plastic materials.Technical specificationsMaterial: HSS Cobalt (M35)Hardness: HRC 64–66Shank diameter: 9.5 mmWorking length: 1.5 cmDiameter sizes: 16 mm, 18.5 mm, 20 mm, 25 mm, 30 mmUsageSuitable for drilling in steel, aluminum, plastic, and wood.Other information