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Metal Drill Bits
Bosch HSS step drill bit, 4-20 mm diameter range.
Bosch HSS step drill bit, 4-20 mm diameter range.
Bosch HSS step drill bit 4–20mm
Step drill bit enlarging a circular hole in a metal sheet.
1/3

HSS Step Drill Bit, 3-flat Shank

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

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

Step diameter (range) mm 4 options

Step height mm 4

Shank diameter mm 3 options

Choose a pack size 1 Pcs

Available product options (5)

from 

£38.00

incl. VAT

£31.67

excl. VAT

FREE UK DELIVERY

for orders over £ 50

UP TO 3 YEARS WARRANTY

for power tools and measuring tools

14 DAYS FREE RETURN

returns & exchanges

HSS Step Drill Bit, 3-flat Shank

from 

£38.00

incl. VAT

£31.67

excl. VAT

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.
  • Made of HSS for a long lifetime. Laser-markings for hole diameters. 3-flat shank for high-torque transmission, no slipping
View more

Product Options

Available product options: 5

Part number Version Step diameter (range) mm Step height mm Shank diameter mm Pack quantity Price
2 608 587 425 HSS 4-12 4 6.0 1 Pcs £49.00 Available from our partners
2 608 597 518 HSS 4-12 4 6.0 1 Pcs £38.00 Available from our partners
2 608 597 519 HSS 4-20 4 8.0 1 Pcs £62.00
2 608 597 520 HSS 6-30 4 10.0 1 Pcs £102.00
2 608 597 521 HSS 6-39 4 10.0 1 Pcs £126.00

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