220418 SETHigh-speed steel HSS Co8DIN 327K
Clamping element
Type N
Tool geometry
Feed direction possibility
Material HSS Co8
New
Set of slot drills short, 2-fluted, centre cutting, 25°, type N, Weldon shank
Item codeOn stock
220418.4-12 SET No
220418.4-12 TIALN SET No
220418.6-20 SET Yes
220418.6-20 TiAlN SET No

Content of set

220418.4-12 SET

Item codeD
e 8
d
h 6
l1l2Z
220418.040465172
220418.050565282
220418.060665282
220418.08081061112
220418.100101063132
220418.120121273162

 

220418.6-20 SET

Item codeD
e 8
d
h 6
l1l2Z
220418.060665282
220418.08081061112
220418.100101063132
220418.120121273162
220418.160161679192
220418.200202088222

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/mm²0,5xD1xD450.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
P.2 | General construction steels, steel castings≤ 850 N/mm²0,5xD1xD390.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
P.3 | Tool steels low alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
P.4 | Heat treatable steels≤ 900 N/mm²0,5xD1xD300.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
P.5 | Tool steels high alloyed≤ 1100 N/mm²0,5xD1xD240.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
M.2 | Corrosion- and acid-proof steels750 - 850 N/mm²0,5xD1xD150.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
K.1 | Cast iron (≤ 240 HB)≤ 820 N/mm²0,5xD1xD350.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13
K.2 | Cast iron (> 240 HB)> 800 N/mm²0,5xD1xD250.0090.0220.0290.0360.0440.0580.0650.0730.0910.1160.13

TIALN: Vc + 50%

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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

Type N

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

Feed direction possibility