Double-sided negative turning insert, square with inscribed circle diameter of 3/4", 1/4" thick, 3/64" nose radius and indexing accuracy according to ISO-tolerance class- M, chip-breaker R, in grade 6640, a MT-CVD coated WC-Co carbide within ISO ranges P20 - P40 and K25 - K40, for medium to heavy machining of steels and cast-irons

• Product Name ISO: SNMG 190612E-R:6640
• Ordering Code ANSI: SNMG 643-R:6640
• EDP Number: 6751580
• Coating: 6640
• Material Application Priority Usage: K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content), P - Steel and cast steel (steels with alloy content = 10% and a hardness of < 45HRC)