TOTAL HSS 4341 6-piece Step Drill Bit Set.

TOTAL HSS 4341 6-piece Step Drill Bit Set. Components: The set includes three step drill bits and three saw drills. Material: All bits are made from High-Speed Steel (HSS 4341) for durability and precision, often with a titanium coating for reduced friction and heat. Sizes: The step drill bits come in sizes 4-12mm, 4-20mm, and 4-32mm, while the saw drills are 3mm, 6mm, and 8mm. Applications: These bits are suitable for drilling smooth, clean holes in various materials like sheet metal, iron plate, aluminum plate, brass, wood, and plastic.