Alpha Gold Series Step Drill Spiral Flute 4-20mm

Description

The Alpha step Drills are premium industrial grade 2 Flute Spiral Step Drill 4-20mm Drills & deburrs in one process Ideal for: Non-ferrous metals, sheet steel, plastic & stainless steel up to 3mm thick Suits: Non-hammer action portable power drills Self-starting split point removes the need for a pilot hole 2 flute design for smooth cutting TiN coating reduces heat & increases lubricity for extended life Laser etched hole Premium HSS M2 raw material for extended life 3 flats on shank, prevents slippage in chuck Bulk 1 piece convenient plastic pack Technical information: Number of steps: 9 steps Step sizes: 4, 6, 8, 10, 12, 14, 16, 18 & 20mm 8.0mm shank