VN40090.0640 High-speed steel HSS
Tool geometry
Point shape - form C
Point angle 118°
Material HSS
D l1 l2 Item code On stock
6,4 70 24 VN40090.0640 No

Cutting conditions


Material

Strength
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm²
P.2 | General construction steels, steel castings ≤ 850 N/mm²
N.1 | Aluminium, Aluminium cast alloys Si (Si ≤ 6%) ≤ 400 N/mm²
N.2 | Aluminium cast alloys Si (Si ≤ 12%) ≤ 600 N/mm²
N.3 | Aluminium cast alloys Si (Si > 12%) ≤ 600 N/mm²
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 800 N/mm²

Calculations of cutting conditions

Product attributes

Tool geometry

Tool geometry

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Lead of helix 25° - 30°.
Point angle 118°

Point angle 118°

Point shape - form C

Point shape - form C

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Conical lip relief, split point, DIN 1412 form C.
Material HSS

Material HSS

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High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.