220418.4-12 SET High-speed steel HSS Co8 DIN 327K
Clamping element
Type N
Tool geometry
Feed direction possibility
Material HSS Co8
Item code On stock
220418.4-12 SET No

Content of set

220418.4-12 SET

Item code D
e 8
d
h 6
l1 l2 Z
220418.040 4 6 51 7 2
220418.050 5 6 52 8 2
220418.060 6 6 52 8 2
220418.080 8 10 61 11 2
220418.100 10 10 63 13 2
220418.120 12 12 73 16 2

 

220418.6-20 SET

Item code D
e 8
d
h 6
l1 l2 Z
220418.060 6 6 52 8 2
220418.080 8 10 61 11 2
220418.100 10 10 63 13 2
220418.120 12 12 73 16 2
220418.160 16 16 79 19 2
220418.200 20 20 88 22 2

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 3

Ø 6

Ø 8

Ø 10

Ø 12

Ø 16

Ø 18

Ø 20

Ø 25

Ø 32

Ø 40
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,5xD 1xD 45 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,5xD 1xD 39 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 0,5xD 1xD 24 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
P.4 | Heat treatable steels ≤ 900 N/mm² 0,5xD 1xD 30 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 0,5xD 1xD 24 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 0,5xD 1xD 15 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 0,5xD 1xD 35 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,5xD 1xD 25 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073 0.091 0.116 0.13

TIALN: Vc + 50%

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Tool geometry

Tool geometry

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Helix angle = 25°. Rake angle = 12°.
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.
Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
Feed direction possibility

Feed direction possibility