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13. January 2026

Uniworx® processes 1.2738

40CrMnNiMo8-6-4

Customer case study with Uniworx®, the universal milling cutter for finish machining.

Uniworx® processes 1.2738 (40CrMnNiMo8-6-4)

Tool	12 214 SG
d_c(nominal diameter)	12 mm \| 0.4724 inch
Arbor	20 07 603
Indexable insert	12 093 V R5

Technical data | metric sizes

V_c (cutting speed)	678 m/min
n (revoltions)	18000 1/min
f_z (feed per tooth)	0,13 mm
V_f(feed rate)	5000 mm/min
a_p (depth of cut)	0,3 mm
a_e (width of cut)	0,3 mm

Technical data | imperial sizes

SFM (surface feet per minute)	2224.41 feet/min
n (revoltions)	18000 1/min
IPT (inches per tooth)	0.0051 inch
IPM (inches per minute)	196.8504 inch/min
DOC (depth of cut)	0.0118 inch
WOC (width of cut)	0.0118 inch

Learn more

Uniworx®