221408High-speed steel HSS Co8
Clamping element
Norm ISO 1641.
Type N
Tool geometry
Feed direction possibility
Material HSS Co8
Slot drills long, 2-fluted, centre cutting, 25°, type N, plain shank
D
e 8
d
h 6
l1 l2 Z Item codeOn stock
265472 221408.020 Yes
365682 221408.030 Yes
4663112 221408.040 Yes
5668132 221408.050 Yes
6668132 221408.060 Yes
71080162 221408.070 Yes
81088192 221408.080 No
91088192 221408.090 Yes
101095222 221408.100 Yes
1112102222 221408.110 Yes
1212110262 221408.120 Yes
1312110262 221408.130 Yes
1412110262 221408.140 Yes
1512110262 221408.150 Yes
1616123322 221408.160 Yes
1816123322 221408.180 Yes
2020141382 221408.200 Yes
2220141382 221408.220 No
2425166452 221408.240 Yes
2525166452 221408.250 Yes
2625166452 221408.260 Yes
2825166452 221408.280 Yes
3025166452 221408.300 Yes

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
P.1 | Free-cutting steels, general construction steels≤ 600 N/mm²0,5xD1xD450.0090.0220.0290.0360.0440.0580.0650.0730.091
P.2 | General construction steels, steel castings≤ 850 N/mm²0,5xD1xD390.0090.0220.0290.0360.0440.0580.0650.0730.091
P.3 | Tool steels low alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.091
P.4 | Heat treatable steels≤ 900 N/mm²0,5xD1xD300.0090.0220.0290.0360.0440.0580.0650.0730.091
P.5 | Tool steels high alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.091
M.2 | Corrosion- and acid-proof steels750 - 850 N/mm²0,5xD1xD150.0090.0220.0290.0360.0440.0580.0650.0730.091
K.1 | Cast iron (≤ 240 HB)≤ 820 N/mm²0,5xD1xD350.0090.0220.0290.0360.0440.0580.0650.0730.091
K.2 | Cast iron (> 240 HB)> 800 N/mm²0,5xD1xD250.0090.0220.0290.0360.0440.0580.0650.0730.091
N.2 | Al-Si alloys (Si ≤ 12%)≤ 600 N/mm²0,5xD1xD160-3000.0120.0290.0380.0470.0570.0750.0850.0950.118

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Plain straight shank according to DIN 1835 A.
Type N

Type N

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

Feed direction possibility

Norm ISO 1641.

Norm ISO 1641.

Tool geometry

Tool geometry

more +
Helix angle = 25°. 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.