Insert size TPI Hand of cut PDY INSERT 29° Tr a p e z o i d a l / ACME (for Machine parts, Pipe) Applicable toolholder PDX Insert size External Internal 29° 16 CER/L**16... TSNR/L**16JSER**16SNR/L**16... JS**SEL16 TCNR/L**16... B-SER/L**16 CNR/L**16... Thread B-CER/L**16 form BC-SER/L**16 IC 22 CER/L**22... TSNR/L**22 60º Right hand (R) for externalthreading SNR/L**22...TCNR/L**22... CNR/L**22... 55º With the special full-profile insert (Please see the page L042) External insert Internal insert M Pitch Grade Grade (Metric) (Reference) Designation Coated IC PDX PDY Designation Coated IC PDX PDY UN 16 (2.117) 12 R 16ER12ACME AH725 T313V䖃 9.525 1.6 1.3 16IR12ACME AH725 T313V䖃 9.525 1.6 1.3 (Unified) 16 (2.540) 10 R 16ER10ACME 䖃 9.525 1.6 1.3 16IR10ACME 䖃 9.525 1.6 1.3 W 16 (3.175) 8 R 16ER8ACME 䖃 䖃 9.525 1.6 1.3 16IR8ACME 䖃 䖃 9.525 1.6 1.3 (Whitworth) 22 (4.233) 6 R 22ER6ACME 䖃 䖃 12.7 2.5 2 22IR6ACME 䖃 䖃 12.7 2.5 2 BSPT 22 (5.080) 5 R 22ER5ACME 䖃 䖃 12.7 2.5 2 22IR5ACME 䖃 䖃 12.7 2.5 2 (R, PT) NPT 29° Tr a p e z o i d a l / ACME (for Machine parts, Pipe) NPTF Applicable toolholder TR 29° S S ExternalMTVOR-**M.. (Metric, 30º STVOR-**M... Trapezoidal) Round (DIN405) IC IC UNJ TNMA TNMC MJ On edge Taper External insert ACME Pitch TPI mm/mm TPF Designation GradeCoated IC S (29º Trapezoidal) AH725 STUB 16 - - TNMA43NT16PEXT-PT 䖃 12.7 4.8 ACME(29º Trapezoidal) 14 - - TNMA43NT14PEXT-PT 䖃 12.7 4.8 API 12 - - TNMA43NT12PEXT-PT 䖃 12.7 4.810--TNMA43NT10PEXT-PT䖃12.74.8 Round 8 - - TNMA43NT8PEXT-PT 䖃 12.7 4.8 API 6 - - TNMA43NT6PEXT-PT 䖃 12.7 4.8 Buttress 5 - - TNMA54NT5PEXT-PT 䖃 15.875 6.4 API 4 - - TNMA54NT4PEXT-PT 䖃 15.875 6.4 RotaryShoulder 3 - - TNMA54NT3PEXT-PT 䖃 15.875 6.4 Connection 16 - - TNMC43NT16PEXT-PT 䖃 12.7 4.8 14 - - TNMC43NT14PEXT-PT 䖃 12.7 4.8 12 - - TNMC43NT12PEXT-PT 䖃 12.7 4.8 10 - - TNMC43NT10PEXT-PT 䖃 12.7 4.8 8 - - TNMC43NT8PEXT-PT 䖃 12.7 4.8 6 - - TNMC43NT6PEXT-PT 䖃 12.7 4.8 5 - - TNMC54NT5PEXT-PT 䖃 15.875 6.4 4 - - TNMC54NT4PEXT-PT 䖃 15.875 6.4 3 - - TNMC54NT3PEXT-PT 䖃 15.875 6.4 Reference pages: Toolholders → E032 - E041, Standard cutting conditions → E050, L043 - L058 䖃 : Line up / 5 pieces per package E026 www.tungaloy.com