Description:

Titanium nitride coating runs cooler and lasts longer Automatically deburrs holes Spiral Flute design is better for faster drilling Replaces 29 individual drill bits 4241 High Speed Steel size: Drill 1 x 4mm to 32mm, 15 Steps, Increments of 2 , 10mm Shank Drill 2 x 4mm to 20mm , 9 steps , Increments of 2 , 8Shank Drill 3 x 4mm to 12mm, 5 Steps , Increments of 1, 6Shan HSS Metric Spiral Flute Step Drill Bit Set 4241 Steel Titanium Coated Step Drill Bit Set Features: HSS Metric Spiral Flute Step Drill Bit Set 4241 Steel Titanium Coated Step Drill Bit Set Titanium nitride coating runs cooler and lasts longer Automatically deburrs holes Spiral Flute design is better for faster drilling Step Drill Bits.