Metal Drill Bits
Bosch 3-piece HSS step drill bit set in storage case.
Bosch HSS step drill bit set 4–12/4–20/6–30 mm.
Worker wearing safety equipment uses a cordless drill on an electrical panel.
Person drills into a metal beam with a cordless drill.
HSS Step Drill Bit, 3-flat Shank, Set
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HSS Step Drill Bit, 3-flat Shank, Set

For rotary drills/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
  • 3-flat shank prevents slipping in the chuck of rotary drills and drivers

Materials

Metal pipes and profiles
Non-ferrous metals
Aluminum
Plastic
Metal sandwich panel

Select options

Total length mm
Shank diameter mm
Step diameter (range) mm
Choose a pack size
Select options

Total length mm 66.5

Shank diameter mm 6.0

Step diameter (range) mm 4-12

Choose a pack size 3 Pcs

Available product options (1)
Check availability on location Find a local dealer Check availability on location

3-piece HSS step drill bit set 4-12/4-20/6-30 2 608 587 426

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.
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Product Options

Available product options: 1

Part number Version Step diameter (range) mm Shank diameter mm Step height mm Pack quantity
2 608 587 426 HSS 4-12; 4-20; 6-30 6.0; 8.0; 10.0 4; 4; 4 3 Pcs Find a local dealer

out of products

Drilling Several Diameters

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