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Home Catalogue Double ended body drills, code VN40090, diameter 8,5 mm
VN40090.0850
High-speed steel HSS
Cutting conditions
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
Point angle 118°
Conical lip relief, split point, DIN 1412 form C.
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.
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