SUMIBORON Indexable Inserts C 80° Diamond Type Standard Cutting Edge Specification (Refer to L26 to L27 for details on symbols.) BNX10 BNX20 BNX25 BN1000 BN350 BN2010 BNC100 BNC200 BNC500 BN500 BN7000 BN7500 BNS800 BN2000 BN2020 BNC160 BNC300 BN700 Negative T01225 S01225 S01725 S01225 T01225 S01225 S01225 S01225 S01215 T01215 T01215 T01215 T02020 Positive T01235 Q Legend: Continuous Cut : 1st Choice Medium Cut : 1st Choice Interrupted Cut : 1st Choice : 2nd Choice : 2nd Choice : 2nd Choice CNG¢1204˜˜ Coated Applicable holder ref. page, (Example) RecommendedApplication K cast iron SUMIBORON 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 L Coated CBN Pcs./Pack No. of Cutting Edges Dimensions BNC2010 BNC2020 (mm) BNC300 BNC100 BNC160 BNC200 BNC500 Negative Inserts ■ Multi-cornered,One-use Type/Negative (With Hole) Radius Cutting Edge Appearance Cutting Edge Cat. No. Old Cat. No. Nose Length Specification 2NC-CNGA 120404LE 0.4 2.5 D Q Q Q Q Q Q Honing 120408LE Q 1 2 0.8 2.4 D Q Q Q Q Q Q C Less Cutting force 120412LE 1.2 2.3 D Q Q Q Q Q Q 2NC-CNGA 120402LT 0.2 2.5 Q D Q Q Q Q Q T00515 120404LT Q 0.4 2.5 Q D Q Q Q Q Q 120408LT 1 2 Q D Q Q Q Q Q 0.8 2.4 D Sharper edge 120412LT 1.2 2.3 Q D Q Q Q Q Q BNC100 → S01715 2NC-CNGA 120404LS 0.4 2.5     D         BNC160 → S01020 120408LS Q 1 2 0.8 2.4     D         R BNC200 → S01015 120412LS     D         Sharper edge BNC300 → S00515 1.2 2.3 BNC100 → S01715 4NC-CNGA 120404LS 0.4 2.5       D D D   BNC160 → S01020 120408LS Q 1 4 0.8 2.4       D D D   BNC200 → S01015 120412LS       D D D   S Sharper edge BNC300 → S00515 1.2 2.3 BNC2010 → S01730 4NC-CNGA 120404HS 0.4 2.5 D D D   D D D BNC2020 → S02735 BNC160 → S01730 120408HS Q 1 4 0.8 2.4 D D D   D D D BNC200 → S01735 Stronger edge BNC300 → S01735 120412HS 1.2 2.3 D D D   D D D T BNC500 → S01225 4NC-CNGA 120404ES 0.4 2.5   D           S00535 120408ES Q 1 4 0.8 2.4   D           High Efficiency 120412ES 1.2 2.3   D           V W SUMIBORON SUMIBORON Application Range Map Ⓐ Uncoated SUMIBORON Ⓑ Coated SUMIBORON (m/min) 300 (m/min) 300 BNC100 BN1000 BNC160 200 200 BNC2010 Speed BN2000 BNX25 Speed BNC2020 BNC200 BNX20 120 Cutting 100 BN350 Cutting 100 BNC300 0 Heavy 0 Heavy Continuous Interrupted Interrupted Continuous Interrupted Interrupted L32