VN10018.0950 High-speed steel HSS Co8 DIN 338
Type N
Tool geometry
Point shape - form C
Point angle 128°
Drilling depth 5xD
Right helix
Material HSS Co8
D l1 l2 Item code On stock
9,5 125 81 VN10018.0950 Yes

Cutting conditions


Material

Strength

Vc
fz(mm/r)
Ø1

Ø2

Ø3,15

Ø4

Ø5

Ø6,3

Ø8

Ø10

Ø12,5

Ø16
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 40 0,016 0,05 0,08 0,1 0,1 0,125 0,16 0,2 0,2 0,25
P.2 | General construction steels, steel castings ≤ 850 N/mm² 40 0,016 0,05 0,08 0,1 0,1 0,125 0,16 0,2 0,2 0,25
P.4 | Heat treatable steels ≤ 900 N/mm² 20 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,16 0,2
M.1 | Corrosion- and acid-proof steels ≤ 750 N/mm² 18 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,1 0,2
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 14 0,012 0,032 0,05 0,063 0,063 0,08 0,1 0,125 0,125 0,2
M.3 | Corrosion- and acid-proof steels > 850 N/mm² 16 0,012 0,032 0,05 0,063 0,063 0,08 0,1 0,125 0,125 0,16
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 35 0,018 0,063 0,1 0,125 0,125 0,16 0,2 0,25 0,25 0,315
K.2 | Cast iron (> 240 HB) > 800 N/mm² 30 0,018 0,063 0,1 0,125 0,125 0,16 0,2 0,25 0,25 0,315
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 800 N/mm² 35 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,16 0,2

Calculations of cutting conditions

Product attributes

Type N

Type N

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Normal profile of flute, normal core, point angle 118°. Drills made of HSS Co mildly strenghtened core, point angle 130°.
Point shape - form C

Point shape - form C

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Conical lip relief, split point, DIN 1412 form C.
Drilling depth 5xD

Drilling depth 5xD

Material HSS Co8

Material HSS Co8

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Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.
Tool geometry

Tool geometry

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Lead of helix 25° - 30°.
Point angle 128°

Point angle 128°

Right helix

Right helix