Cutting Speed v c (m/min) Cutting Speed v c (m/min) Cutting Speed v c (m/min) Cutting Speed v c (m/min) BNX10BNC2010 BNX20BNC2020 BNX25BNC300 BN1000BNC100 Cutting Speed v c (m/min) BN2000BNC160 BN350BNC200 BN500BNC500 BN7000 BN700 BN7500 BNS800 Binderless SUMIBORONNCB100 Pos.Neg.SUMIBORON SUMIBORON Insert Indexable Insert V 35° Diamond Type (Legend) Continuous Cutting : 1st Recommended : 2nd Recommended General Cutting : 1st Recommended: 2nd Recommended Interrupted Cutting : 1st Recommended: 2nd Recommended VBGW1604●● Uncoated K Cast IronRecommendedSExotic Alloy Application H Hardened Steel Dimensions Inscribed Circle 9.525 Hole Dia. 4.4 Sintered Components (mm) Thickness 4.76 Applicable Internal Holders E31, E33, E36, E39 Uncoated SUMIBORON L Multi-Cornered Single-Use Type / 5° Positive (With Hole) Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength 2NU-VBGW 160404 0.4 3.3 Q Q Q Q Q ● Q Q Standard 160408 1 2 0.8 2.5 Q Q Q Q Q ● Q Q *Depth of cut for single-use types is 0.5mm or less. VBGW1604●● Coated K Cast IronRecommendedSExotic Alloy Application H Hardened SteelDimensions Inscribed Circle9.525Hole Dia.4.4Sintered Components C (mm) Thickness 4.76 Applicable Internal Holders E31, E33, E36, E39 Coated SUMIBORON Multi-Cornered Single-Use Type / 5° Positive (With Hole) D Shape Cutting EdgeSpecification Cat. No. No. ofPcs/PackCuttingEdgesNoseRadius CuttingEdgeLength R 2NC-VBGW 160402 0.2 3.8 ●● Standard 160404 1 2 0.4 3.3 ●● ● 160408 0.8 2.5 ●● ● 2NC-VBGW 160402LE 0.2 3.8 ● Q Q Q Q Q Q S Honing 160404LE 1 2 0.4 3.3 ● Q Q Q Q Q Q Low Cutting Force 160408LE 0.8 2.5 ● Q Q Q Q Q Q 2NC-VBGW 160402LT 0.2 3.8 Q ● Q Q Q Q Q T T00515 160404LT 1 2 0.4 3.3 Q ● Q Q Q Q Q Sharper Edge Type 160408LT 0.8 2.5 Q ● Q Q Q Q Q V 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) L91