Step drill for metal 6-30mm HSS with spiral groove and chip breaker TiAlN

Current price:

10,85 € with VAT

8,97 € without VAT

In stock (5x)

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EAN:: 8591084908006
Brand:: PROTECO
Warranty:: 24 months
Code:: PR-90.42-ST-63

Product information

Diameter:
Clamping diameter: 10mm
Material: HSS
Coating: TiAlN

Suitable for drilling into building steel, CrNi steel and non-ferrous metals up to 5mm.

PROGRIP system prevents slipping of the stem in the chuck and optimally transmits torque
Spiral groove guarantees quiet operation and high drilling performance
Edges in a single step

The coating increases the service life of the drill bit but must not overheat!

Procedure: High speed for drilling small diameters, when drilling larger diameters, the need for speed is gradually reduced due to increasing circumferential speed. When the coating overheats, the blade is knocked and the blade has to be sanded.

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