Drill Bit Sets

HSS Step Drill Bit, 3-flat Shank, Set

For rotary drills/drivers

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

Total length mm 66.5

Shank diameter mm 6.0

Step diameter (range) mm 4-12

Choose a pack size 3 Pcs

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3-piece HSS step drill bit set 4-12/4-20/6-30
(2608587426)

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

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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.