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Mini Chamfer and Countersink
Countersink
Cutting Data
Feed fz mm/tooth
Cutting Speed Vc (m/min)
d
ISO
Materials Class
Low & Medium Carbon Steels <0.55%C
120 - 240
Ø3-Ø4 0.04 - 0.06
P
High Carbon Steels ≥0.55%C
80 - 180
Ø5-Ø6 0.05 - 0.07
Alloy Steels, Treated Steels
50 - 120
Ø8
0.06 - 0.08
Stainless Steel-Free Cutting
70 - 100
M
Stainless Steel-Austenitic
60 - 140
Ø10
0.07 - 0.10
Cast Steels
70 - 100
Ø12
0.08 - 0.15
K Cast Iron
80 - 160
Aluminum ≤6%Si, Copper
150 - 500
N
Aluminum >6%Si
100 - 250
Synthetics, duroplastics, thermoplastics
80 - 200
S Nickel alloys, Titanium alloys.
30 - 90
Hardened Steel, 45-50 HRc
60 - 70
H
Hardened Steel, 51-58 HRc
50 - 60
B15-10
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