Parts for ToolsTechnicalReference Nominal sizeNominal size TPITPI Pitch diameterPitch diameter Lead angleLead angle SNR0016M16SNR0006H06-2 SNR0008H06-2 SNR0016M16-2 SNR0010K11 SNR0016M16-3 SNR0010K11-2 CNR0020P16SNR0016M16 CNR0025R16SNR0016M16-2 SNR0016M16-3 CNR0032S16 CNR0020P16 SNR0020Q22CNR0025R16 SNR0020Q22-2SNR0020Q22 SNR0020Q22-2 SNR0020Q22-3 SNR0020Q22-3 CNR0025R22 CNR0025R22 CNR0032S22CNR0032S22 SNR0016M16SNR0006H06SC-2 SNR0008H06SC-2 SNR0016M16-2 SNR0016M16 TSNR0016Q16SNR0016M16-2 TCNR0020R16DTTSNR0016Q16 TCNR0020R16DT TCNR0025S16DT TCNR0025S16DT TSNR0020R22 TSNR0020R22 TCNR0025S22DTTCNR0025S22DT User’s Guide - Technical Reference Selection of S T- t y p e To o l h o l d e r s Whitworth British Standard (BSW) (for pipe) Shank material Steel shank Carbide shank “Tsuppari-Ichiban” Insert size 16IR 22IR 16IR 16IR 22IR Holder Cat. No. Insert Cat. No. 7/16 14 9.95 3º32´ IR14W 1/2 12 11.34 3º40´ IR12W 9/16 12 12.93 2º98´ IR12W 5/8 11 14.4 2º92´ IR11W 11/16 11 15.98 2º63´ IR11W 3/4 10 17.42 2º66´ IR10W 7/8 9 20.42 2º52´ IR9W 1 8 23.37 2º48´ IR8W 1 1/8 7 26.25 2º52´ IR7W 1 1/4 7 29.43 2º25´ IR7W 1 1/2 6 35.39 2º18´ IR6W 1 3/4 5 41.2 2º25´ IR5W ™ ™ x : Change the shim to NXN22-2 x : Change the shim to GXN22-2DT Whitworth British Standard Fine (BSF) (for pipe) Shank material Steel shank Carbide shank “Tsuppari-Ichiban” Insert size 6IR 11IR 16IR 22IR 6IR 16IR 16IR 22IR Holder Cat. No. Insert Cat. No. 7/16 18 10.21 2º52´ IR18W 1/2 16 11.68 2º48´ IR16W 9/16 16 13.27 2º18´ IR16W 5/8 14 14.71 2º25´ IR14W 11/16 14 16.3 2º03´ IR14W 3/4 12 17.69 2º18´ IR12W 7/8 11 20.75 2º03´ IR11W 1 10 23.77 1º95´ IR10W 1 1/8 9 26.77 1º92´ IR9W 1 1/4 9 29.94 1º72´ IR9W ™ ™ 1 3/8 8 32.89 1º76´ IR8W ™ ™ 1 1/2 8 36.07 1º61´ IR8W ™ ™ 1 5/8 8 39.24 1º48´ IR8W 1 3/4 7 42.13 1º57´ IR7W ™ ™ 2 7 48.48 1º37´ IR7W 2 1/4 6 54.44 1º42´ IR6W 2 1/2 6 60.79 1º27´ IR6W 2 3/4 6 67.14 1º15´ IR6W 3 5 72.95 1º27´ IR5W 3 1/4 5 79.3 1º17´ IR5W x : Change the shim to AN16-2 x : Change the shim to AN16-2DT x : Change the shim to NXN22-2 x : Change the shim to GXN22-2DT Note : The above tables show correspondence of internal toolholders at the time of setting clearance between thread and toolholder to 3 mm (1 mm in case of SN type) and the finishing stock to 0.1 mm. L054 www.tungaloy.com