Insert sizeInsert size Hand of cutHand of cut 4.76 6.41 PDY INSERT 55° thread angle (General purpose) Applicable toolholder PDX PDX Insert size External Internal RE RE 6 SNR/L000*K06SC... 55° SNR/L000*H06... 11 SNR/L**11... 16 CER/L**16... TSNR/L**16 Thread JSER**16... SNR/L**16... form 5.56 JS**SEL16 TCNR/L**16...ICB-SER/L**16CNR/L**16... 60º Right hand (R) for internal threading Right hand (R) for external B-CER/L**16threadingBC-SER/L**16 22 CER/L**22... TSNR/L**22 55º SNR/L**22... TCNR/L**22... M CNR/L**22... (Metric) Partial-profile insert UN(Unified) External insert Internal insertGradeGradePitchTPIDesignationCoatedUncoatedICPDX PDYREDesignationCoatedUncoatedICPDX PDYRE W AH725 T313V TH10 AH725 T313V TH10 (Whitworth) 6 0.5~1.5 48~16 R 6IRA55 䖃 䖃 - 0.9 - 0.07 BSPT 11 0.5~1.5 48~16 R 11IRA55 䖃 䖃 䖃 6.35 0.9 0.7 0.07 (R, PT) 16 0.5~1.5 48~16 R 16ERA55 䖃 䖃 䖃 9.525 0.9 0.7 0.07 16IRA55 䖃 䖃 䖃 9.525 0.9 0.7 0.07 NPT 16 0.5~3 48~8 R 16ERAG55 䖃 9.525 1.7 1.2 0.07 16IRAG55 䖃 9.525 1.7 1.2 0.07 16 1.75~3 14~8 R 16ERG55 䖃 䖃 䖃 9.525 1.6 1.2 0.25 16IRG55 䖃 䖃 䖃 9.525 1.7 1.2 0.25 NPTF 22 3.5~5 7~5 R 22ERN55 䖃 䖃 䖃 12.7 2.5 1.7 0.5 22IRN55 䖃 䖃 䖃 12.7 2.5 1.7 0.5 TR Partial-profile insert with chipbreaker (Metric, 30ºTrapezoidal) External insert Internal insert Round Pitch TPI Designation GradeCoated IC PDX PDY RE Designation GradeCoated IC PDX PDY RE (DIN405) AH725 AH725 UNJ 16 0.5~3 48~16 R 16ERAG55-B 䖃* 9.525 1.7 1.2 0.07 16IRAG55-B 䖃* 9.525 1.7 1.2 0.05 16 1.75~3 14~8 R 16ERG55-B 䖃* 9.525 1.7 1.2 0.23 16IRG55-B 䖃* 9.525 1.7 1.2 0.2 MJ Note㻦 The adjustment of the cutting edge position w i l l be needed as the dimensions of t and r3 are different from other inserts.     highlighted item requires changing shims. ACME (29º Trapezoidal) When using a new AH725 with chipbreaker, the conventional shim may AH725INSERT STUB need to be replaced with a new standard shim. Please refer to the page Conventional ACME(29º Trapezoidal)E052. shimToolholder API Round Inappropriateexample API Buttress API Rotary Shoulder Connection Reference pages: Toolholders → E032 - E037, Standard cutting conditions → E050, L043 - L058 䖃 : Line up / 5 pieces per package E014 www.tungaloy.com