890075.04503 High-speed steel HSS Co5 DIN 3972
Clamping element
Type N
Tool geometry
Material HSS Co5
m D
js 16
d
H 7
Z ae ZOZ n Item code On stock
4,5 90 27 12 9,75 17-20 3 890075.04503 Yes

Number of teeth (Gears)

Modul 1 2 3 4 5 6 7 8
ZOZ 12-13 14-16 17-20 21-25 26-34 35-54 55-134 135-00

Cutting conditions


Material

Strength

Ae

Vc
fz(mm/z)
Ø 40

Ø 50

Ø 63

Ø 70

Ø 80

Ø 90

Ø 100
Modul 1-5                    
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 2,1xm 20 0.01 0.013 0.016 0.018 0.021 0.023 0.026
P.2 | General construction steels, steel castings ≤ 850 N/mm² 2,1xm 15 0.01 0.013 0.016 0.018 0.021 0.023 0.026
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm 2,1xm 12 0.011 0.014 0.018 0.02 0.023 0.026 0.029
K.2 | Cast iron (> 240 HB) > 800 N/mm² 2,1xm 10 0.01 0.013 0.016 0.018 0.021 0.023 0.026
Modul 6                    
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 2,1xm 20 0.026 0.033 0.041 0.046 0.053 0.059 0.066
P.2 | General construction steels, steel castings ≤ 850 N/mm² 2,1xm 15 0.022 0.027 0.035 0.038 0.044 0.049 0.055
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm 2,1xm 12 0.022 0.027 0.035 0.038 0.044 0.049 0.055
K.2 | Cast iron (> 240 HB) > 800 N/mm² 2,1xm 10 0.021 0.026 0.033 0.037 0.042 0.047 0.053

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Straight bore with standard keyway according to DIN 138.
Tool geometry

Tool geometry

more +
Helix angle = 0°. Rake angle = 0°.
Type N

Type N

more +
Universal usage. Suitable for materials up to strength 900 MPa.
Material HSS Co5

Material HSS Co5

more +
Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.