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Metal Drill Bits
Bosch HSS-AlTiN step drill bit 4-20mm for metal.
Bosch HSS-AlTiN 4–20mm step drill bit
Step drill bit enlarging a circular hole in a metal sheet.
Bosch HSS-AlTiN step drill bit 4-20mm for metal.
Bosch HSS-AlTiN 4–20mm step drill bit
Step drill bit enlarging a circular hole in a metal sheet.

HSS Step Drill Bit, Hex Shank

For rotary drills/drivers, For impact drill/drivers

HSS Step Drill Bit performs smooth drilling in several diameters with one drill bit

  • Pre-punching is not necessary as the split-point tip allows for an easy start
  • CNC ground spiral flute enables optimised chip removal and less vibration for even drilling
  • Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders

Materials

Metal pipes and profiles
Non-ferrous metals
Plastic
Steel sheets
Steel

Select options

Step diameter (range) mm
Step height mm
Choose a pack size
Select options

Step diameter (range) mm 4-20

Step height mm 4

Choose a pack size 1 Pcs

Available product options (1)
Check availability on location Find a local dealer Check availability on location
HSS-AlTiN step drill bits 2 608 588 070
Find a local dealer
For rotary drills/drivers, For impact drill/drivers

Fits tools of most brands

Drill bit being inserted into a chuck with red arrows indicating movement.
Drill chuck rotates to secure a screwdriver bit.
Cordless power drill fitted with a blue-tipped screwdriver bit.

Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders

Smooth Drilling in Several Diameters with One Drill Bit

HSS Step Drill Bit performs smooth drilling in several diameters with one drill bit

  • CNC ground spiral flute enables optimised chip removal and less vibration for even drilling
  • Highest cutting smoothness due to axial and radial relief grinding
  • Made of HSS for a long lifetime. Laser-markings for hole diameters.
View more

Product Options

Available product options: 1

Part number Version Step diameter (range) mm Step height mm Total length mm Pack quantity
2 608 588 070 HSS-AlTiN 4-20 4 70.5 1 Pcs Find a local dealer

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