Cutting Speed vc (m/min) Cutting Speed vc (m/min) Cutting Speed vc (m/min) Cutting Speed vc (m/min) BNX10BNX10BNX10 BNX20BNX20BNX20 BNX25BNX25BNX25 BN1000BN1000BN1000 Cutting Speed vc (m/min) BN2000BN2000BN2000 BN350BN350BN350 BN500BN500BN500 BN7000BN7000BN7000 BN700BN700BN700 BN7500BN7500BN7500 BNS800BNS800BNS800 Binderless SUMIBORONNCB100BinderlessSUMIBORONNCB100NCB100 Pos.Neg.SUMIBORON SUMIBORON Insert Indexable Insert (Legend) Continuous Cutting : 1st Recommended : 2nd Recommended General Cutting : 1st Recommended: 2nd RecommendedInterrupted Cutting: 1st Recommended: 2nd Recommended SNGN1203●● Uncoated K Cast IronRecommendedSExotic Alloy Application H Hardened Steel Dimensions Inscribed Circle 12.7 Hole Dia. Q Sintered Components (mm) Thickness 3.18 Applicable External Holders L100 Uncoated SUMIBORON Solid Type / Negative (Without Hole) Shape Cutting EdgeSpecification Cat. No.SNGN 120308 No. ofPcs/PackCuttingEdgesNoseRadius0.8 CuttingEdgeLength12.7Q Q Q Q Q Q Q Q Q Q ● Q L Standard 120312 1 Solid 1.2 12.7 Q Q Q Q Q Q Q Q Q Q ● Q SNGN 120308LF 0.8 12.7 Q Q Q Q Q Q Q Q Q Q ● Q SharpEdge 120312LF 1 Solid 1.2 12.7 Q Q Q Q Q Q Q Q Q Q ● Q Low Cutting Force SNG■1204●● Uncoated K Cast IronRecommendedSExotic Alloy Application H Hardened Steel Dimensions Inscribed Circle 12.7 Hole Dia. Q Sintered Components (mm) Thickness 4.76 C Applicable External Holders L100 Uncoated SUMIBORON Negative Type (Without Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength D SNGN 120408 0.8 4.8 ● ● ● Q Q Standard 120412 1 1 1.2 4.8 ● ● Q Q R SNGN 120408-B 0.8 12.7 Q Q Standard 120412-B 1 4 1.2 12.7 Q Q S 120416-B 1.6 12.7 Q Q Solid Type / Negative (Dimple Lock) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength T SNGX 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 V 120416 1.6 12.7 Q Q Q Q Q Q Q Q Q Q ● Q 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 (mm)of Cut ap 0 0.1 0.2 0.3 0.4 0.5 Depth of (mm) Cut ap 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) L61