Cutting Speed v c (m/min) Cutting Speed v c (m/min) Cutting Speed v c (m/min) Cutting Speed v c (m/min) BNX10BNX10BNC2010 BNX20BNX20BNC2020 BNX25BNX25BNC300 BN1000BN1000BNC100 Cutting Speed v c (m/min) BN2000BN2000BNC160 BN350BN350BNC200 BN500BN500BNC500 BN7000BN7000 BN700BN700 BN7500BN7500 BNS800BNS800 Binderless SUMIBORONNCB100NCB100 Pos.Neg.SUMIBORON SUMIBORON Insert Indexable Insert S Square Type (Legend) Continuous Cutting : 1st Recommended : 2nd Recommended General Cutting : 1st Recommended: 2nd Recommended Interrupted 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 Applicable External Holders C17 to C22 Applicable Internal Holders E45 to E47 Uncoated SUMIBORON L Negative Type (With Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength SNMA 120404 0.4 4.8 Q Q Standard 120408 1 1 0.8 4.7 ● ● ●● Q Q 120412 1.2 4.6 ● ● ●● Q Q Solid Type / Negative (With Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength C SNGA 120408 0.8 12.7 Q Q Q Q Q Q Q Q Q Q ● Q Standard 120412 1 Solid 1.2 12.7 Q Q Q Q Q Q Q Q Q Q ● Q D SNGA1204●● Coated K Cast IronRecommendedSExotic Alloy Application H Hardened Steel R Dimensions Inscribed Circle 12.7 Hole Dia. 5.16 Sintered Components (mm) Thickness 4.76 Applicable External Holders C17 to C22 Applicable Internal Holders E45 to E47 Coated SUMIBORON Multi-Cornered Single-Use Type / Negative (With Hole) S Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength T 2NC-SNGA 120408 0.8 2.3 ● 1 2 Standard 120412 1.2 2.1 ● 4NC-SNGA 120404 0.4 2.5 ●● V Standard 120408 1 4 0.8 2.3 ●● 120412 1.2 2.1 ●● W   SUMIBORON Application Range Map (C)   Gray Cast Iron (D)   Ductile Cast Iron (E)   General Powdered Metal (F)   High-density Powdered Metal (G)   Titanium Alloy 2,000 500 300 300 300 1,500 400 BN7000 BNC500 200 200 200 1,000 300 BN7500 BNS800500 200 100 BN7000 BN7500100 BN7000 100 NCB100 BN500 BN7000 0 1.0 2.0 3.0 4.0 0 0.1 0.3 0.5 Depth of Cut ap(mm) 0 0.1 0.2 0.3 0.4 0.5 Depth of Cut ap (mm) 0 0.1 0.2 0.3 0.4 0.5 0 0.05 0.10 0.15 0.20 Depth of Cut ap (mm) Depth of Cut ap (mm) Feed Rate f(mm/rev) 0.05 0.1 0.15 0.2 0.25 0.3 Feed Rate f(mm/rev) 0.05 0.1 0.15 0.2 0.25 0.3 Feed Rate f (mm/rev) L59