RUKO high-performance 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 and titanium nitride coating for increased surface hardness and heat resistance, these Imperial-size HSS step drill bits are suited for many metals and plastics. 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: