VN20015.0320 High-speed steel HSS Co5 DIN 340
Type N
Tool geometry
Point shape - form C
Point angle 128°
Drilling depth 10xD
Right helix
Material HSS Co5
D l1 l2 Item code On stock
3,2 106 69 VN20015.0320 No

Cutting conditions


Material

Strength

Vc
fz(mm/r)
Ø1

Ø2

Ø3,15

Ø4

Ø5

Ø6,3

Ø8

Ø10

Ø12,5
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 36 0,016 0,05 0,08 0,1 0,1 0,125 0,16 0,2 0,2
P.2 | General construction steels, steel castings ≤ 850 N/mm² 32 0,016 0,05 0,08 0,1 0,1 0,125 0,16 0,2 0,2
P.4 | Heat treatable steels ≤ 900 N/mm² 18 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,16
M.1 | Corrosion- and acid-proof steels ≤ 750 N/mm² 12 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,16
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 8 0,012 0,032 0,05 0,063 0,063 0,08 0,1 0,125 0,125
M.3 | Corrosion- and acid-proof steels > 850 N/mm² 10 0,012 0,032 0,05 0,063 0,063 0,08 0,1 0,125 0,125
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 32 0,018 0,063 0,1 0,125 0,125 0,16 0,2 0,25 0,25
K.2 | Cast iron (> 240 HB) > 800 N/mm² 26 0,018 0,063 0,1 0,125 0,125 0,16 0,2 0,25 0,25
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 850 N/mm² 30 0,014 0,04 0,063 0,08 0,08 0,1 0,125 0,16 0,16
S.1 | Chrome-nickel alloys ≤ 1500 N/mm² 5 0,006 0,02 0,032 0,04 0,04 0,05 0,063 0,08 0,08

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 10xD

Drilling depth 10xD

Material HSS Co5

Material HSS Co5

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Tool geometry

Tool geometry

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

Point angle 128°

Right helix

Right helix