How to read pages of “Turning Inserts” B13 (㎜) ■ 80° Rhombic / Negative Description A T φd CNGA 1204_ 12.70 4.76 5.16 CNGM 1204_ Edge Prep. Gray Cast Iron (With Scale) Toolholders Symbol Cutting Edge Spec. Example K Gray Cast Iron (Without Scale) F Sharp Edge F Sharp Edge Nodular Cast Iron (With Scale) E Honed Cutting Edge E008 R0.08mm Honed Cutting Edge Hard Materials (Roughing) C T Chamfered Cutting Edge T01215 0.12mmx15° Chamfered Cutting Edge H Hard Materials (Finishing) O Q O P Applicable S Chamfered + Honed S01225 0.12mmx25° Hard Materials (Chip Control) N Q Cutting Edge Chamfered + Honed Cutting Edge Sintered Steel Dimension MEGACOAT CBN CBN Ref. to Page for (mm) No. of Edges Insert Description Edge KBN05M KBN10M KBN25M KBN30M KBN35M KBN60M KBN65M KBN70M KBN510 KBN525 KBN475 KBN65B KBN570 & PCD Prep. rε S CNGA 120402S01225SE 0.2 2.6 O N N CBN S 120404S01225SE S01225 0.4 2.6 1 O N N N rH 80 ° 120408S01225SE 0.8 2.6 O N N N A Id 120412S01225SE 1.2 2.5 U N CNGA 120404T01215SE 0.4 2.6 O T 120408T01215SE T01215 0.8 2.6 1 O Small Edge 120412T01215SE 1.2 2.5 O S 80 ° rH CNGA 120404S01730SET S01730 0.4 2.6 1 N N D8 A Id 120408S01730SET 0.8 2.6 N N F63 T F67 Small Edge / Tough F68 CNGM 120404S00825BB1 0.4 1.8 N 120408S00825BB1 S00825 0.8 2.0 1 N 120412S00825BB1 1.2 2.2 N S 80° T CNGM 120404S01225BB2 0.4 2.2 N rH 120408S01225BB2 S01225 0.8 2.4 1 N A Id 120412S01225BB2 1.2 2.6 N CNGM 120404S01625BB3 0.4 2.6 U N 120408S01625BB3 S01625 0.8 2.8 1 U N Chip Control 120412S01625BB3 1.2 3.0 N CBN & PCD Inserts are N:Std. Item (1 pc boxes) O:Check Availability U : Deleted from the next catalogue sold in 1 piece boxes. C7