METAL COPYRIGHT DIAMOND DRILLS 4-32mm

》》》 METAL 4-32mm CUSTOMIZED DIAMOND drill bits V-06027 《《》. Step drills are a set of three high-quality cobalt metal drill bits, in sizes 4-12mm, 4-20mm and 4-32mm.They are made of the highest quality HSS high-speed steel with 5% cobalt (M35), which makes them extremely strong and durable.The drills are indispensable for centering, drilling new and reaming old holes in metal, plastics and thin-gauge steel sheets.The drill set features industrial quality at the highest level, which ensures high precision and accuracy in drilling.The weight of the set is 350g, and the drill chuck is hexagonal, which ensures a secure grip and easy turning of the drill.This is an excellent choice for professionals and hobbyists who demand the highest quality and performance tools. Step drill 4 - 12 MM: Diameter [mm]: 4, 6, 8, 10, 12 Working length [mm]: 44 Overall length [mm]: 70 Step drill 4 - 20 MM: Diameters [mm]: 4, 6, 8, 10, 12, 14, 16, 18, 20 Working length [mm]: 48 Overall length [mm]: 72 Step drill 4- 32 MM: Diameters [mm]: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 Working length [mm]: 78 Overall length [mm]: 105.