3-piece HSS step drill bit set for sheet metal and enlarging existing holes. Includes: 4–12 mm (1 mm steps), 6–20 mm and 6–30 mm (both in 2 mm steps). Read more.
This HSS step drill bit set is designed for drilling into sheet metal and enlarging existing holes. Made from high-speed steel (HSS), the bits deliver clean results without burrs. Ideal for metalworking, assembly, and workshop use.
Applications:
Suitable for thin metal sheets
Perfect for enlarging existing holes
Step design allows multiple diameters per bit
Set contents:
1× 4–12 mm (in 1 mm steps)
1× 6–20 mm (in 2 mm steps)
1× 6–30 mm (in 2 mm steps)
