140218 SET High-speed steel HSS Co8 DIN 844K
Clamping element
Type N
Tool geometryD>20
Tool geometryD=20
Feed direction possibility
Material HSS Co8
Item code On stock
140218.6-20 SET Yes

Content of set

140218.6-20 SET

Item code D
k 10
d
h 6
l1 l2 Z
140218.060 6 6 57 13 4
140218.080 8 10 69 19 4
140218.100 10 10 72 22 4
140218.120 12 12 83 26 4
140218.160 16 16 92 32 4
140218.200 20 20 104 38 4

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 1xD 0,1xD 45 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1xD 0,1xD 39 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 1xD 0,1xD 24 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.4 | Heat treatable steels ≤ 900 N/mm² 1xD 0,1xD 30 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 1xD 0,1xD 24 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11

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 = 35°. Rake angle = 12°.
Feed direction possibility

Feed direction possibility

Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
Tool geometry

Tool geometry

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Helix angle = 40°. 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.