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¢¢1204 Recommended application P Steel M Stainless steel B K Cast iron N Non-ferrous metal ● L : 12.7 ● S : 4.76 S Exotic alloy Negative H Hardened steel Inserts ● IC : 12.7 ● D1 : 5.16 Coated carbide Coated Cermet Carbide cermet SUMIBORON (CBN) Inserts L56– SUMIDIA Binderless Inserts M26 Ceramic Inserts B128 AC810P AC820P AC8025P AC830P AC6020M AC6030M AC6040M AC610M AC630M AC405K AC415K AC420K AC503U AC510U AC520U AC1030U AC530U Applicable External Holders C16–C21 Applicable Internal Holders E53, 54 ACZ150 T1500Z T3000Z T1000A T1500A ST10P ST20E G10E EH510 EH520 Shape Cat. No. RE A30 H1 C FB ( p) 2 SNMG 120404N-FB 0.4 Q Q QQ QQ DQQ QQQ Q Q Q Q Q D D D D Q Q Q Q Q Q 1 120408N-FB 0.8 Q Q QQ QQ DQQ QQQ Q Q Q Q Q D D D D Q Q Q Q Q Q 27° 0 0.2 0.4 () FL ( p) D Fine cutting 2 SNMG 120408N-FL 0.8 D D D Q Q Q D D D 1 10° 0 0.2 0.4 () R FE ( p) 2 SNMG 120404N-FE 0.4 D DD D D Q Q Q D D D D 1 120408N-FE 0.8 D DD D D Q Q Q D D D D 120412N-FE 1.2 D DD D D Q Q Q D D D D S 20° 0 0.2 0.4 () LU ( p) 2 SNMG 120408N-LU 0.8 D D D D D Q Q Q D D D 1 120412N-LU 1.2 D D D D D Q Q Q D D D 10° 0 0.2 0.4 () T SU ( p) 2 SNMG 120404N-SU 0.4 Q Q QQ QQ QQQ QQQ Q Q Q Q Q Q Q Q Q Q Q Q 1 120408N-SU 0.8 D D DD D D D Q D D Q D Q D D D D Finishing 13° 0 0.2 0.4 ( ) V SE ( p) 6 SNMG 120408N-SE 0.8 D D DD Q Q Q Q Q Q Q Q 4 120412N-SE 1.2 D D DD Q Q Q Q Q Q Q Q 2 W 5° 0 0.2 0.4 0.6 ( ) EF ( p) 2 SNMG 120404N-EF 0.4 D DD D Q Q Q Q Q Q Q Q 1 120408N-EF 0.8 D DD D Q Q Q Q Q Q Q Q Solid CBN Ceramics 20° 0 0.2 0.4 ( ) GX SNGG 120404R-GX 0.4 Q Q Q Q QQ QQQ QQQ Light cutting ( p) 120404L-GX 0.4 Q Q Q Q QQ QQQ QQQ D D 2 120408R-GX 0.8 Q Q Q Q QQ QQQ QQQ D 1 120408L-GX 0.8 Q Q Q Q QQ QQQ QQQ D D D 0 0.2 0.4 ( ) 120412R-GX 1.2 Q Q Q Q QQ QQQ QQQ Photo: 120412L-GX 1.2 Q Q Q Q QQ QQQ QQQ 15° Left hand SX ( p) Light-Medium cutting 2 SNMG 120404N-SX 0.4 Q Q Q Q QQ QQQ QQQ Q Q Q Q Q D D D Q Q Q Q Q Q 1 120408N-SX 0.8 D D D D Q Q Q D D D 120412N-SX 1.2 D D D D Q Q Q Q Q Q Q Q 3° 0 0.2 ( ) 0.4 EX ( p) 3 SNMG 120404N-EX 0.4 DD DDD Q D D Q D Q Q Q Q Q Q 2 120408N-EX 0.8 DD DDD Q D D Q D Q Q Q Q Q Q 1 120412N-EX 1.2 DD DDD Q D D Q D Q Q Q Q Q Q 16° 0 0.2 0.4 ( ) B41