124218K High-speed steel HSS Co8
Clamping element
Company norm
Type NR
Tool geometry
Feed direction possibility
Material HSS Co8
End mills extra short, type NR, Weldon shank
D
k 12
d
h 6
l1 l2 Z Item code On stock
30 20 90 30 6 124218K.300030 Yes
35 20 90 30 6 124218K.350030 Yes
40 25 95 32 8 124218K.400032 Yes
50 32 100 36 8 124218K.500036 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 30

Ø 35

Ø 40
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1,5xD 0,5xD 45 0.115 0.13 0.14
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1,5xD 0,5xD 39 0.115 0.13 0.14
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 1,5xD 0,5xD 24 0.115 0.13 0.14
P.4 | Heat treatable steels ≤ 900 N/mm² 1,5xD 0,5xD 30 0.115 0.13 0.14
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 1,5xD 0,5xD 15 0.115 0.13 0.14
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 850 N/mm² 1,5xD 0,5xD 80-120 0.115 0.13 0.14

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Type NR

Type NR

more +
For roughing operation and materials of lower and medium strength (up to 700 MPa), surface roughness Ra 12,5 and more.
Feed direction possibility

Feed direction possibility

Company norm

Company norm

Tool geometry

Tool geometry

more +
Helix angle = 30°. Rake angle = 12°.
Material HSS Co8

Material HSS Co8

more +
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.