Igetalloy Indexable Inserts Square Type Negative Insert Square Type RE SN IC Grade Selection Guide A2 Negative D1 From B8 Chipbreaker Selection Guide With Insert Hole 90° L S Material-based Grade Selection Guide From A8 (Legend) Continuous cut : 1st choice Medium cut : 1st choice Interrupted cut : 1st choice : 2nd choice : 2nd choice : 2nd choice SN¢¢2507 Recommended application P Steel M Stainless steel B K Cast iron N Non-ferrous metal ● L : 25.4 ● S : 7.94 S Exotic alloy Negative H Hardened steel Inserts ● IC : 25.4 ● D1 : 9.2 Coated carbide Coated Cermet Carbide cermet Applicable External Holders C16–C19 AC810P AC820P AC8025P AC830P AC6020M AC6030M AC6040M AC610M AC630M AC405K AC415K AC420K AC503U AC510U AC520U AC1030U AC530U ACZ150 T1500Z T3000Z T1000A T1500A ST10P ST20E G10E EH510 EH520 Shape Cat. No. RE A30 H1 C cutting UG ( p) 6 SNMG 250724N-UG 2.4 Q Q Q Q Q Q Q Q Medium 4 2 4° 0 0.2 0.4 0.6 ( ) MP ( p) D 15 SNMM 250724N-MP 2.4 D D D D D D Q Q Q Q Q Q Q Q 10 5 0° 0 0.5 1.0 1.5 ( ) R HP ( p) 15 SNMM 250724N-HP 2.4 D D D D D Q Q Q Q Q Q Q Q 10 5 0° 0 0.5 1.0 1.5 ( ) S Heavy cutting HU ( p) 15 SNMM 250724N-HU 2.4 D D D D Q Q Q Q Q Q Q Q 10 5 -15° 0 0.5 1.0 1.5 ( ) T HW ( p) 15 SNMM 250724N-HW 2.4 D D D D Q Q Q Q Q Q Q Q 10 5 -15° 0 0.5 1.0 1.5 ( ) V HF ( p) 15 SNMM 250724N-HF 2.4 D D D D Q Q Q Q Q Q Q Q 10 250732N-HF 3.2 D D D Q Q Q Q Q Q Q Q 5 W 20° 0 0.5 1.0 1.5 ( ) Solid CBN Ceramics B49