SUMIBORON Indexable Inserts S Square 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 SN¢N0903˜˜ Applicable holder ref. page, (Example) RecommendedApplication K cast iron S exotic alloy Applicable External Holders L98 H hardened steel I.C.: ø9.525 Thickness: 3.18 Hole: ― sintered component CBN L Pcs./Pack No. of Cutting Edges Dimensions (mm) BNS800 ■ Negative Type (Without Hole) Radius Cutting Edge BNX10 BNX20 BNX25 BN1000 BN2000 BN350 BN500 BN7000 BN700 BN7500 Negative Inserts Appearance Cutting Edge Cat. No. Old Cat. No. Nose Length Specification SNGN 090308-B 0.8 9.5          D D  Q Standard 090312-B Q 1 4 1.2 9.5           Q 090316-B 1.6 9.5           Q C ■ Solid Type/Negative (Without Hole) SNGN 090308 0.8 9.5 Q Q Q Q Q Q Q Q Q Q D Standard 090312 Q 1 Solid 1.2 9.5 Q Q Q Q Q Q Q Q Q Q D D Sharp SNGN 090308LF SNGN 090308F 0.8 9.5 Q Q Q Q Q Q Q Q Q Q D Edge 090312LF 090312F 1 Solid 1.2 9.5 Q Q Q Q Q Q Q Q Q Q D R Less Cutting force SNEN 090308W 0.8 9.5 Q Q Q Q Q Q Q Q Q Q D T02020 Q 1 Solid S Wiper Insert No edge SNEN 090308LFW SNEN 090308FW 0.8 9.5 Q Q Q Q Q Q Q Q Q Q D treatment 1 Solid Wiper Sharp Edge Type T 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 L58