EAN: 3165140666442

STUFENBOHRER HSS-ALTIN 4 - 12 MM 6 MM 50 MM 5 S...

The step drill bit head is made of HSS (high-speed steel) and coated with AlTiN (aluminum
titanium nitride). This provides the longest possible lifespan and does not require the use of
coolant. Laser-marked numbers in both spiral grooves provide highly visible and durable marking
of the hole diameter. Additionally  the 3-flat shank prevents slipping in the drill chuck and
provides efficient transmission with high torque. The HSS step drill bit head delivers smooth 
burr-free drilling in multiple diameters with a single bit. It is ideal for deburring  drilling
round holes  and enlarging existing ones. It is not necessary to mark center points because the
two-part tip provides easy starting. Its CNC-ground spiral groove allows for optimized chip
removal and less vibration for smooth drilling. The most optimal cutting edge and absolute
smoothness are ensured thanks to axial and radial clearance grinding. This step drill bit is
suitable for use on thin materials such as non-ferrous metals  sheet plastic  sheet steel 
plastic  and stainless steel.5 steps Ø 4-6-8-10-12 mm

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