SUMIBORON Indexable Inserts Standard Cutting Edge Specification (Refer to L26 to L27 for details on symbols.) Triangular Type T BN1000 BN350 BN2010 BNC100 BNC200 BNC500 BN500 BN7000 BN7500 BNS800 BNX10 BNX20 BNX25 BN2000 BN2020 BNC160 BNC300 BN700 Negative T01225 T02020 T01225 S01225 S01725 S01225 S01225 S01225 S01225 S01215 T01215 T01215 T01215 Positive T01235 Q : 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) TN¢¢1604˜˜ Application 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 CBN L Dimensions No. of Cutting Edges Pcs./Pack (mm) S800 00 Negative Inserts BN2000 7000 00 BN7500 BN1000 Cutting Edge ■ Multi-cornered,One-use Type/Negative (With Hole) BNX20 BNX25 BNX10 BN350 BN500 7000 BNS8 S8 BN70 BN70 70 Radius Length Nose Cutting Edge BN BN BN Appearance Specification Cat. No. Old Cat. No. 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 160412N-LV 1.2 2.0 Q Q Q Q D Q Q Q Q Q Q C Break Master 3NU-TNGA 160404LF 3NU-TNGA 160404F 0.4 2.3 Q Q Q Q Q Q Q D D D Q Sharp 3 0.8 2.0 Q Q Q Q Q Q Q D D D Q 160408LF 160408F 1 Edge 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 0.4 2.3 Q Q Q Q D Q Q Q Q Q Q 3NU-TNGA 160404LT 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 3NU-TNGA 160404HT 3NU-TNGA 160404T 0.4 2.3 Q Q Q Q Q D Q Q Q Q Q T 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 3 0.8 2.0 Q Q Q Q D Q Q D D D Q BN700 → S01225 1 Stronger edge BN7500 → S00525 160412HS 160412T 1.2 2.0 Q Q Q Q D Q Q Q *Depth-of-cut for one-use type is 0.5mm or less W SUMIBORON SUMIBORON Application Range Map Ⓐ Uncoated SUMIBORON Ⓑ Coated SUMIBORON 300 300 BNC100 Cutting Speed (m/min) Cutting Speed (m/min) BN1000 BNC160 BNC2010 200 200 BNC200 BN2000 BNX25 BNC2020 BNX20 120 100 100 BN350 BNC300 0 0 Continuous Interrupted Heavy Continuous Interrupted Heavy Interrupted Interrupted L64