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Screw tap base material
The product is mainly manufactured from HSS-XS1 vanadium alloy powder rapid steel that makes for a superior combination of hardness, toughness and edge life.
Premium-quality HSCo rapid steel is also used for larger bores.
Surface treatment
Steam tempering ensures smooth machining and prevents edge build-up.
Flute geometry
45° spiral flute.
Full-length three-radii profile and constant rake angle.
This design achieves optimal performance and chip evacuation in most raw materials.
Thread depth
Up to 2.5 x D
Thread length
A short threading bit produces little torque and allows chips to evacuate efficiently
Select RAL-colour code
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