New
Set of slot drills long, 2-fluted, centre cutting, 25°, type N, Weldon shank
Item codeOn stock
221418.4-12 SET No
221418.6-20 SET No

Content of set

221418.4-12 SET

Item codeD
e 8
d
h 6
l1l2Z
221418.0404663112
221418.0505668132
221418.0606668132
221418.08081088192
221418.100101095222
221418.1201212110262

 

221418.6-20 SET

Item codeD
e 8
d
h 6
l1l2Z
221418.0606668132
221418.08081088192
221418.100101095222
221418.1201212110262
221418.1601616123322
221418.2002020141382

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 36

Ø 40
P.1 | Free-cutting steels, general construction steels≤ 600 N/mm²0,5xD1xD450.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
P.2 | General construction steels, steel castings≤ 850 N/mm²0,5xD1xD390.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
P.3 | Tool steels low alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
P.4 | Heat treatable steels≤ 900 N/mm²0,5xD1xD300.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
P.5 | Tool steels high alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
M.2 | Corrosion- and acid-proof steels750 - 850 N/mm²0,5xD1xD150.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
K.1 | Cast iron (≤ 240 HB)≤ 820 N/mm²0,5xD1xD350.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
K.2 | Cast iron (> 240 HB)> 800 N/mm²0,5xD1xD250.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.130.14
N.2 | Al-Si alloys (Si ≤ 12%)≤ 600 N/mm²0,5xD1xD160-3000.0120.0290.0380.0470.0570.0750.0850.0950.1180.1510.1690.182

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight shank with clamping flat (Weldon) according to DIN 6535 HB.
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