Page 440 - Carmex - Metric Catalog 2021
P. 440
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Mini Chamfer and Countersink
Countersink
Cutting Data
Cutting Speed Feed
ISO Materials Class Vc d fz
(m/min) mm/tooth
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
