Homepage ... Drills Step drills for metal Sady Set of step drills with spiral groove and breaker 4-32mm HSS TiAlN

Set of step drills with spiral groove and breaker 4-32mm HSS TiAlN

Current price:
26,06 € with VAT
21,54 € without VAT
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EAN:
8591084908044
Brand:
Proteco
Warranty:
24 months
Code:
PR-90.42-ST88

Product information

Stepped Spiral Groove Drills

Set: 4-12mm, 4-20mm, 4-32mm
Material: HSS
Coating: TiAlN

Appropriate for drilling into structural steel, CrNi steel and non-ferrous metals up to 4mm. He can handle even drilling of stainless steel sheets.

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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