SUMIBORON Indexable Inserts T Triangular 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 TN¢¢1604˜˜ Applicable holder ref. page, (Example) RecommendedApplication K cast iron S exotic alloy Applicable External Holders C23 to C29, D15, 18 H hardened steel I.C.: ø9.525 Thickness: 4.76 Hole: ø3.81 Applicable Internal Holders E68 to E70 sintered component L CBN Pcs./Pack No. of Cutting Edges Dimensions (mm) BNS800 Negative Inserts ■ Multi-cornered,One-use Type/Negative (With Hole) Radius Cutting Edge BNX10 BNX20 BNX25 BN1000 BN2000 BN350 BN500 BN7000 BN700 BN7500 Appearance Cutting Edge Cat. No. Old Cat. No. Nose Length Specification 3NU-TNGM 160404N-LV 0.4 2.3 Q Q Q Q D Q Q Q Q Q Q S00535 160408N-LV Q 1 3 0.8 2.0 Q Q Q Q D Q Q Q Q Q Q C Break Master 160412N-LV 1.2 2.0 Q Q Q Q D Q Q Q Q Q Q Sharp 3NU-TNGA 160404LF 3NU-TNGA 160404F 0.4 2.3 Q Q Q Q Q Q Q D D D Q Edge 160408LF 160408F 1 3 0.8 2.0 Q Q Q Q Q Q Q D D D Q Less Cutting force 160412LF 160412F 1.2 2.0 Q Q Q Q Q Q Q   Q D 3NU-TNGA 160404LE 0.4 2.3 Q Q Q Q Q Q Q Q D Q Honing 160408LE Q 1 3 0.8 2.0 Q Q Q Q Q Q Q Q D Q Less Cutting force R 3NU-TNGA 160404LT 0.4 2.3 Q Q Q Q D Q Q Q Q Q Q T01215 160408LT Q 1 3 0.8 2.0 Q Q Q Q D Q Q Q Q Q Q Sharper edge 160412LT 1.2 2.0 Q Q Q Q D Q Q Q Q Q Q S 3NU-TNGA 160404LS 0.4 2.3 Q Q Q Q Q Q Q Q D Q S00715 160408LS Q 1 3 0.8 2.0 Q Q Q Q Q Q Q Q D Q Sharper edge T 3NU-TNGA 160404HT 3NU-TNGA 160404T 0.4 2.3 Q Q Q Q Q D Q Q Q Q Q T01235 160408HT 160408T 1 3 0.8 2.0 Q Q Q Q Q D Q Q Q Q Q Stronger edge 160412HT 160412T 1.2 2.0 Q Q Q Q Q D Q Q Q Q Q BN2000 → S01235 3NU-TNGA 160404HS 3NU-TNGA 160404T 0.4 2.3 Q Q Q Q D Q Q D D D Q V BN7000 → S01225 160408HS 160408T 1 3 0.8 2.0 Q Q Q Q D Q Q D D D Q BN700 → S01225 BN7500 → S00525 160412HS 160412T 1.2 2.0 Q Q Q Q D Q Q  Q Stronger edge *Depth-of-cut for one-use type is 0.5mm or less 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 L64