Slot drills extra long, 3 fluted, centre cutting, type N, Weldon shank
D
e 8
d
h 6
l1 l2 Z Item code On stock
2 6 54 10 3 233418.020 Yes
3 6 56 12 3 233418.030 Yes
4 6 63 19 3 233418.040 Yes
5 6 68 24 3 233418.050 Yes
6 6 68 24 3 233418.060 Yes
8 10 88 38 3 233418.080 Yes
9 10 88 38 3 233418.090 Yes
10 10 95 45 3 233418.100 Yes
12 12 110 53 3 233418.120 Yes
14 12 110 53 3 233418.140 Yes
16 16 123 63 3 233418.160 Yes
18 16 123 63 3 233418.180 Yes
20 20 141 75 3 233418.200 Yes
22 20 141 75 3 233418.220 Yes
25 25 166 90 3 233418.250 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
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
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
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
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
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
K.1 | Cast iron < 240 HB 0,5xD 1xD 35 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073
K.2 | Cast iron > 240 HB 0,5xD 1xD 25 0.009 0.022 0.029 0.036 0.044 0.058 0.065 0.073
N.2 | Aluminium cast alloys Si Si ≤ 12% 0,5xD 1xD 160-300 0.0117 0.0286 0.0377 0.0468 0.0572 0.0754 0.0845 0.0949
S.2 | Titanium, Titanium alloys ≤ 1250 N/mm² 0,5xD 1xD 12 0.0063 0.0154 0.0203 0.0252 0.0308 0.0406 0.0455 0.0511

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.
Type N

Type N

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

Feed direction possibility

Company norm

Company norm

Tool geometry

Tool geometry

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Helix angle = 30°. 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.