Drill Bit Sets

HSS-AlTiN 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

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3-piece HSS-AlTiN step drill bit set 4-12/4-20/6-30
(2608588069)

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3-piece HSS-AlTiN step drill bit set 4-12/4-20/6-30 2 608 588 069

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Smooth Drilling in Several Diameters with One Drill Bit

HSS-AlTiN 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
AlTiN coating for maximum lifetime, laser-markings for hole diameters, 3-flat shank for high-torque transmission