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Specifications
HSSE twist drill stub length1.HSS-EX
2.plain shank
3.38 degree helix angle for drill
4.130degree/120degree point angle
HSSE twist drill stub length
HPD-SUS twist drills, stub length for stainless steels
Materials: HSS-EX
38°helix angle for drill
Tolerance of shank diameter is h7
Tolerance of tool diameter is h8
130°point angle for drill—up to 4mm
120°point angle for drill—over 4mm
The TiCN, TiAIN is available on your request.
Application:
Designed for drilling in stainless steels, mild steels, aluminium, aluminium alloy, aluminium die cast, copper, copper alloy, etc.
Advantage:
High helix-sharp cutting edges to avoid built-up and to be suitable for high performance drilling.
Wide flute and stub length-increasing chip removal and reducing vibration and deflection.
High vanadium HSS-EX material with superior TiN coating-higher speed and feed, longer service life .
High quality-good surface finishes, high productivity and weeding second operation.
Main details
Drill diameter: 6.8~13mm
Flute length: 34~51mm
Overall length: 78~108mm
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