Stepped drill HSS set 3 pieces

Suitable for sheet metal forming

For drilling of cylindrical holes in material up to 4 mm strength without rattling

• No tool change necessary
  • Chamfer zone allows drilling and reciprocal deburring without tool change
• Fast drilling progress
  • Spiral flute guarantees very low effort, clean cut and fast chip flow (few skid marks on painted sheets)
  • Automatic chamfering and deburring
• Easy handling
  • No dimensional control necessary due to readable bore diameter in the chip groove
  • Due to the split tip, no center punching and pre-drilling is necessary
  • With trihedral shank