RUKO split point step drill bits cut fast, clean holes in up to 0.16 inch (8 ga) material. With CBN-ground flutes for a superior cutting edge, these Imperial-size bits are available in HSS (high speed steel), 5% cobalt high-speed steel (HSSE-Co5), and titanium nitride (TiN) coated high-speed steel, suited for many metals and thermoplastics. Step sizes up to 1-1/8 inch are available.
RUKO Step Drill Bits
RUKO Step Drill Bit Kits
All step drill bits have split points and come in three different materials.
What makes these step drills special?
Use High Speed Steel drills, HSS Cobalt 5 and HSS-TiN coated drills for: