Spiral Flute HSS Cobalt Step Drill Bit Set 3pc

• SPIRAL FLUTE – Three high-speed HSS 5% cobalt spiral flute step drills.
• SWARF CLEARANCE – Double spiral flutes for efficient swarf clearance.
• PRECISION – Allows clog-free, precision drilling of 18 different size holes with just three bits.
• SIZES #1: Ø4-12mm, #2: Ø4-20mm in 2mm increments, #3: Ø4-32mm in 2mm increments.
• STORAGE – Supplied in storage case.