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4-20mm Alpha Step Drill-Gold Series (9STM4-20)

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The Alpha step Drills are premium industrial grade. Drill & deburr in one process!

2 Flute Straight Step Drill


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


Nominal Size 4-20mm
Shank Form 2 Flute
Brand Alpha
Suitable For Metal, Plastic
Drill Material High Speed Steel