21 mm — precise sizing for accurate hole finishing
and profiling with a clean
It carries DIN 8051 B form with ISO H5 tolerance
Designed to integrate seamlessly into existing mold and die workflows
it features a small corner radius (R0
Carmex Vertical Milling CMT Three Flute Insert - Groove Milling - C18W20 CMTINSERT 21 mm — precise sizingThe Carmex Vertical Milling CMT Three Flute Insert Groove Milling is a precision, indexable insert designed for vertical milling tasks such as grooves, threads, and chamfers. Its built to serve a wide range of metalworking needs, making it suitable for engineers, buyers, tradespeople, hobbyists, and non technical customers who require reliable, repeatable results. Featuring a ground profile insert and a three flute geometry, this solution delivers