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Indexable Inserts B Negative / Positive / Ceramic B1–B130 B Inserts B C Indexable Insert Identification ...........................................B2 Grade Comparison Chart (Coated Carbide) .........................B4 (Cermet, Carbide and Ceramic) ...B5 D (CBN and Polycrystalline Diamond) ...B6 Chipbreaker Comparison Table .........................................B7 Chipbreaker Selection Guide .............................................B8 R Negative M Class Chipbreakers for Low Carbon and General Steel Turning FE Type / FB Type ................B14 Positive M Class Chipbreakers for Low Carbon S and General Steel Turning FB Type and LB Type ..........B15 Chipbreaker for Hardened Steel Turning GH Type ........B16 Chipbreakers for Aluminum Alloy Structure of Indexable Inserts Section and Non-Ferrous Metal Turning AX Type / AY Type.......B16 T ① The descriptions of turning inserts are given in order of negative type and positive type. Chipbreaker Series for Stainless Steel Turning ② The descriptions of each type group are given in the following order: EF Type / EG Type / EM Type ............................................B17 C (80 Diamond Type) → D (55 Diamond Type) → R (Round Type) → Important Notes for Wiper Inserts ...................................B18 S (Square Type) → T (Triangular Type) → V (35 Diamond Type) → W (Trigon Type) V ③ The descriptions of inserts with the same relief angle are given in order of "with hole" and "without hole". Negative Inserts ④ Inserts are grouped by shape and subgrouped by size (small to large  C / 80°Diamond Type (With Hole).................................B20 according to the combination of cutting edge length and thickness).  D / 55°Diamond (With Hole) ..........................................B31 W • Structure diagram of Inserts Section  S / Square Type (With Hole) ......................................... B39 (Shape → Relief Angle) (Insert Hole) (Order of Descriptions) Negative C (80 Diamond Type) With Hole By size (Small to Large)  S / Square Type (Without Hole).....................................B52 Solid CBN Ceramic Without Hole By size (Small to Large)  T / Triangular Type (With Hole) .................................... B54 Positive D (55 Diamond Type) With Hole By size (Small to Large)  T / Triangular Type (Without Hole)............................... B64 Without Hole By size (Small to Large)  V / 35°Diamond Type (With Hole)................................ B66 Symbols in Insert Drawings  W / Trigon Type (With Hole).......................................... B69 Note: The symbols used in the insert drawings conform to ISO 13399. L: Length, IC: Inscribed circle, S: Thickness, RE: Nose radius, Positive Inserts D1: Dia. (For SUMIBORON and SUMIDIA, L stands for side length.)  C / 80°Diamond Type (With Hole).................................B74 Handed Inserts  D / 55°Diamond (With Hole) ......................................... B85 Note: As a general rule, photos show right-handed inserts.  R / Round Type (With Hole) .......................................... B92 In exceptional cases, photos with a caption saying "Photo: Left-handed  S / Square Type (With Hole) ......................................... B94 inserts" at the lower right part show left-handed inserts.  S / Square Type (Without Hole)...................................B100  T / Triangular Type (With Hole) ...................................B104 Descriptions of Insert Grades  T / Triangular Type (Without Hole).............................. B115 ① For Igetalloy, we have carefully selected the grades of coated carbide  V / 35°Diamond Type (With Hole)...............................B120 (CVD and PVD), cermet, carbide and ceramic.  W / Trigon Type (With Hole).........................................B126 ② SUMIBORON and SUMIDIA are described only in the SUMIBORON section ( → L28onward), and the SUMIDIA section ( → M10 onward). Please give us the following information when ordering. Ceramic Negative Insert (With Hole/Without Hole) .....B128 ① Insert Cat. No. ② Grade ③ Quantity Ceramic Positive Insert (Without Hole).........................B129 See Chapter A for the recommended conditions and insert selection. Solid CBN..........................................................................B130 ●● mark : Standard stocked item * mark: Semi-standard stock (Please confirm stock availability) Stock Indications and Symbols ● mark: To be replaced with the new item featured on the same page ○○ mark: Stock or planned stock (Please confirm stock availability) ▲ mark: To be replaced by new item No mark: Made-to-order item B1 (Please confirm stock availability) − mark: We cannot produce