[Ceramic] How to read pages of “Turning Inserts” B13 (㎜) ■ Positive (㎜) Description A T α Description A T α TBGN 0601_ 3.97 1.59 5° RPGN0903_ 9.525 3.18 TCGN 1604_ 9.525 4.76 7° RPGN1204_ 12.70 4.76 11° TPGN 0902_ 5.56 2.38 B SPGN0903_ 9.525 3.18 1103_ 6.35 3.18 11° SPGN1203_ 12.70 3.18 1603_ 9.525 Edge Prep. Gray Cast Iron (With Scale) Ref. to Page for Applicable Toolholders Symbol Cutting Edge Spec. Example K Gray Cast Iron (Without Scale) P Q S Chamfered and Honed S01525 0.15mm X 25° Nodular Cast Iron (With Scale) Insert (Turning) Cutting Edge Chamfered and Honed Cutting Edge Nodular Cast Iron (Without Scale) T Chamfered Cutting Edge T01525 0.15mm X 25° S Heat-resistant Alloys Q T Chamfered Cutting Edge H Hard Materials O N Dimension Aluminum PVD Coated MEGACOAT Silicon Nitride CVD Coated Silicon Nitride Ceramic structure Ceramic (mm) Oxide Ceramic Ceramic Ceramic Ceramic SiAlON Honeycomb Edge Ceramic Insert Description Prep. KA30 KT66 A66N PT600M KS6050 CS7050 KS6030 KS6040 rε A65 CF1 RPGN 090300E003 E003 - N 090300E005 E005 - N A 090300T01020 T01020 - N N 11° - T RPGN 120400E003 E003 - N 120400E005 E005 - N 120400T01020 T01020 - N N SPGN 090308T00820 T00820 0.8 N N A SPGN 120308S00820 S00820 0.8 N N E42 rH D F60 T SPGN 120308T00820 T00820 0.8 N N 120312T00820 1.2 N N TBGN 060104S00820 S00820 0.4 N N 060108S00820 0.8 N N - TCGN 160404T00820 T00820 0.4 N 160408T00820 0.8 N TPGN 090204T00820 T00820 0.4 N N F61 090208T00820 0.8 N 60°rH TPGN 110304S00820 S00820 0.4 N N 110308S00820 0.8 N N D TPGN 110304T00820 T00820 0.4 N N N A T 110308T00820 0.8 N N N TPGN 160304S00820 0.4 N N E43 160308S00820 S00820 0.8 N N F61 160312S00820 1.2 N N TPGN 160304T00820 0.4 N N N 160308T00820 T00820 0.8 N N N 160312T00820 1.2 N *For cutting edge “E”, please refer to the table below. Edge Prep. Symbol Cutting Edge Spec. Example E R-honed Cutting Edge E005 R0.05mm Honed Inserts are sold in 10 piece boxes ●:Std. Item B105