SUMIBORON Indexable Inserts : 1st Choice : 1st Choice : 1st Choice Legend: Continuous Cut Medium Cut Interrupted Cut : 2nd Choice : 2nd Choice : 2nd Choice K cast iron Recommended Applicable holder ref. page, (Example) CN¢¢1204˜˜ Application S exotic alloy Applicable External Holders C7, 8 H hardened steel I.C.: ø12.7 Thickness: 4.76 Hole: ø5.16 Applicable Internal Holders E23 to E25 sintered component CBN Dimensions No. of Cutting Edges Pcs./Pack (mm) S800 00 BN2000 7000 00 BN7500 BN1000 Cutting Edge ■ Multi-cornered,One-use Type/Negative (With Hole) BNX20 BNX25 BNX10 BN350 BN500 700 0 BNS8 BN70 70 BN70 70 Radius Length Nose Cutting Edge BN BN BN Appearance Specification Cat. No. Old Cat. No. S01215 2NU-CNGA 120404WG 120408WG Q 1 0.4 2.4 Q Q Q Q D Q Q Q Q Q Q 2 0.8 2.4 Q Q Q Q D Q Q Q Q Q Q L Negative Inserts Wiper Insert 120412WG 1.2 2.3 Q Q Q Q D Q Q Q Q Q Q 2NU-CNGA 120404WH 0.4 2.4 Q Q Q Q D Q Q Q Q Q Q S01215 120408WH Q 1 2 0.8 2.3 Q Q Q Q D Q Q Q Q Q Q Wiper Insert 120412WH 1.2 2.2 Q Q Q Q D Q Q Q Q Q Q 2NU-CNGM 120404N-LV 0.4 2.5 Q Q Q Q D Q Q Q Q Q Q C S00535 120408N-LV Q 1 2 0.8 2.4 Q Q Q Q D Q Q Q Q Q Q Break Master 120412N-LV 1.2 2.3 Q Q Q Q D Q Q Q Q Q Q 2NU-CNGA 120404LF 2NU-CNGA 120404F 0.4 2.5 Q Q Q Q Q Q Q D D D Q Sharp 2 0.8 2.4 Q Q Q Q Q Q Q D D D Q 120408LF 120408F 1 D Edge Less Cutting force 120412LF 120412F 1.2 2.3 Q Q Q Q Q Q Q Q 2NU-CNGA 120404LE 0.4 2.5 Q Q Q Q Q Q Q Q D Q Honing 120408LE Q 1 2 0.8 2.4 Q Q Q Q Q Q Q Q D Q R Less Cutting force 2NU-CNGA 120404LT 0.4 2.5 Q Q Q Q D Q Q Q Q T01215 120408LT Q 1 2 0.8 2.4 Q Q Q Q D Q Q Q Q S Sharper edge 120412LT 1.2 2.3 Q Q Q Q D Q Q Q Q 2NU-CNGA 120404LS 0.4 2.5 Q Q Q Q Q Q Q Q D Q S00715 120408LS Q 1 2 0.8 2.4 Q Q Q Q Q Q Q Q D Q Sharper edge T 2NU-CNGA 120404HT 2NU-CNGA 120404T 0.4 2.5 Q Q Q Q Q D Q Q Q Q Q T01235 120408HT 120408T 1 2 0.8 2.4 Q Q Q Q Q D Q Q Q Q Q Stronger edge 120412HT 120412T 1.2 2.3 Q Q Q Q Q D Q Q Q Q Q V *Depth-of-cut for one-use type is 0.5mm or less W SUMIBORON SUMIBORON Application Range Map Ⓒ Gray Cast Iron Ⓓ Ductile Cast Iron Ⓔ General Sintered Alloy Ⓕ High Density Sintered Alloy 2,000 500 300 300 Cutting Speed (m/min) Cutting Speed (m/min) Cutting Speed (m/min) Cutting Speed (m/min) 1,500 400 200 200 BN7000 BNC500 1,000 300 BN7500 BN7000 BN7500 BNS800 100 100 500 200 BN7000 BN500 BN7000 Depth of Depth of 0 1.0 2.0 3.0 4.0 0 0.1 0.3 0.5 Cut (mm) 0 0.1 0.2 0.3 0.4 0.5 Cut (mm) 0 0.1 0.2 0.3 0.4 0.5 Depth of Cut (mm) Depth of Cut (mm) Feedrate 0.05 0.1 0.15 0.2 0.25 0.3 Feedrate 0.05 0.1 0.15 0.2 0.25 0.3 (mm/rev) (mm/rev) L29