SUMIBORONNeg.Pos. Cutting Speed v c (m/min) Cutting Speed v c (m/min) BNX10BNX10 BNX20BNX20 BNX25BNX25 BN1000BN1000 BN2000BN2000 BN350BN350 BN500BN500 BN7000BN7000 BN700BN700 BN7500BN7500 BNS800BNS800 Binderless SUMIBORONNCB100NCB100 SUMIBORON Insert Indexable Insert S Square Type Standard Edge Specification Details L28, L29BNX10BNX20BNX25BN1000BN2000BN350BN2010 BN2020 BNC100 BNC160 BNC200 BNC300 BNC500BN500 BN7000 BN700 BN7500 BNS800 NCB100Neg.Pos.T01225S01225S01725S01225T01225T01235S01225S01225S01225S01215T01215T01215T01215T02020QT01215 (Legend) Continuous Cutting : 1st Recommended : 2nd Recommended General Cutting : 1st Recommended: 2nd RecommendedInterrupted Cutting: 1st Recommended: 2nd Recommended SN■A1204●● Uncoated K Cast IronRecommendedSExotic Alloy Application H Hardened Steel Dimensions Inscribed Circle 12.7 Hole Dia. 5.16 Sintered Components (mm) Thickness 4.76 L Applicable External Holders C17 to C22 Applicable Internal Holders E45 to E47 Uncoated SUMIBORON Single-Use Type / Negative (With Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength NU-SNMA 120404 0.4 2.5 Q ● ●●● Q Q 120408 1 1 0.8 2.3 ● Q ● ● ● ● ● ● Q Q 120412 1.2 2.1 ● Q ● ● ● ● ● ● Q Q Standard T-NU-SNMA 120404 0.4 2.5 Q ● Q Q 120408 10 1 0.8 2.3 ● Q ● ● Q Q 120412 1.2 2.1 ● Q ●● Q Q *Depth of cut for single-use types is 0.5mm or less. C Multi-Cornered Single-Use Type / Negative (With Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength D 2NU-SNGA 120404 0.4 2.5 ● Q ● ● Q 120408 1 2 0.8 2.3 ● Q ● ● ●● Q R 120412Standard 1.2 2.1 ● Q ● ● ● Q T-2NU-SNGA 120404 0.4 2.5 ● Q ● Q Q 120408 10 2 0.8 2.3 ● Q ● Q Q S 120412 1.2 2.1 ● Q ● Q Q 2NU-SNGA 120404LT 0.4 2.5 Q Q Q Q ● Q Q Q Q Q Q Q T01215 120408LT 1 2 0.8 2.3 Q Q Q Q ● Q Q Q Q Q Q Q Sharper Edge Type 120412LT 1.2 2.1 Q Q Q Q ● Q Q Q Q Q Q Q T 2NU-SNGA 120404HS 0.4 2.5 Q Q Q Q ● Q Q Q Q Q Q S01235 120408HS 1 2 0.8 2.3 Q Q Q Q ● Q Q Q Q Q Q Strong Edge Type 120412HS 1.2 2.1 Q Q Q Q ● Q Q Q Q Q Q V *Depth of cut for single-use types is 0.5mm or less. W   SUMIBORON Application Range Map (A)   Uncoated SUMIBORON (B)   Coated SUMIBORON 300 300 BNC100 BN1000 BNC2010 BNC160 200 BN2000 BNX25 200 BNC2020 BNC200 BNX20 120 100 100 BN350 BNC300 0 0 Continuous Interrupted Heavy Interrupted Continuous Interrupted Heavy Interrupted L58