New
Stepped drills
D d l1 Item code On stock
4, 5, 6, 7, 8, 9, 10, 11, 12 6 65 VS94010.040120 Yes
4, 6, 8, 10, 12, 14, 16, 18, 20 8 75 VS94010.040200 Yes
6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 10 100 VS94010.060300 Yes
6, 9, 13, 16, 19, 21, 23, 26, 29, 32, 35, 38 10 100 VS94010.060380 Yes

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
P.3 | Tool steels low alloyed ≤ 1100 N/mm²
K.1 | Cast iron ≤ 240 HB
K.2 | Cast iron > 240 HB
N.1 | Aluminium, Aluminium cast alloys Si Si ≤ 6%
N.2 | Aluminium cast alloys Si Si ≤ 12%
N.3 | Aluminium cast alloys Si Si > 12%
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 800 N/mm²

Calculations of cutting conditions

Product attributes

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.