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VK10015.4800
High-speed steel HSS Co5
DIN 345
Cutting conditions
c fz (mm/r)
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
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
P.3 | Tool steels low alloyed
≤ 1100 N/mm²
40
0,016
0,05
0,08
0,1
0,1
0,125
0,16
0,2
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
0,16
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
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
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
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
N.4 | Cooper-zinc alloys, cooper-tin alloys
≤ 850 N/mm²
35
0,014
0,04
0,063
0,08
0,08
0,1
0,125
0,16
0,16
Calculations of cutting conditions
Product attributes
Normal profile of flute, normal core, point angle 118°. Drills made of HSS Co mildly strenghtened core, point angle 130°.
Conical lip relief, DIN 1412 form N.
Drilling depth 5xD
Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Point angle 128°
Right helix
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