Alpha Spiral Flute 4-12mm Step Drill - 9STSFM4-12S

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, 5, 6, 7, 8, 9, 10, 11 & 12mm  
• 6.0mm shank