Parts for ToolsTechnicalReference Nominal sizeNominal size PitchTPI Pitch diameterPitch diameter Lead angleLead angle SNR0006H06-2SNR0010K11 SNR0006H06-3SNR0010K11-2 SNR0008H06-2 SNR0008H06-3SNR0010K11-3 SNR0010K11SNR0013L11 SNR0010K11-2SNR0013L11-2 SNR0013L11 SNR0013L11-3 SNR0013L11-2 SNR0016M16SNR0016M16 SNR0016M16-2SNR0016M16-2 CNR0020P16SNR0016M16-3 CNR0025R16 SNR0020Q22 CNR0032S16 (CNR0040T16)SNR0020Q22-2 (CNR0050U16)SNR0020Q22-3 SNR0020Q22CNR0025R22 SNR0020Q22-2 CNR0025R22CNR0032S22 CNR0032S22(CNR0040T22) (CNR0040T22)CNR0040T27 SNR0006K06SC-2 (CNR0050U27) SNR0006K06SC-3 SNR0008K06SC-2(CNR0063V27) SNR0008K06SC-3SNR0010M11SC SNR0010M11SCSNR0010M11SC-2 SNR0010M11SC-2 SNR0012P11SCSNR0010M11SC-3 SNR0012P11SC-2SNR0012P11SC SNR0016R16SCSNR0012P11SC-2 SNR0016R16SC-2 SNR0012P11SC-3 TSNR0016Q16 TCNR0020R16DTSNR0016R16SC TCNR0025S16DTSNR0016R16SC-2 (TCNR0032T16DT)(SNR0016R16SC-3) TSNR0020R22 TCNR0025S22DTTCNR0025S22DT (TCNR0032T22DT)(TCNR0032T22DT) User’s Guide - Technical Reference Selection of S T- t y p e To o l h o l d e r s Metric fine screw thread (ISO) 4/4 Shank material Steel shank Carbide shank “Tsuppari-Ichiban” Insert size 6IR 11IR 16IR 22IR 6IR 11IR 16IR 16IR 22IR Holder Cat. No. Insert Cat. No. M50ϫ1.5 1.5 49.03 0º33´ IR15ISO M50ϫ2 2 48.7 0º45´ IR20ISO M50ϫ3 3 48.05 1º08´ IR30ISO M52ϫ1.5 1.5 51.03 0º32´ IR15ISO M52ϫ2 2 50.7 0º43´ IR20ISO M52ϫ3 3 50.05 1º06´ IR30ISO M52ϫ4 4 49.4 1º29´ IR40ISO M55ϫ1.5 1.5 54.03 0º30´ IR15ISO M55ϫ2 2 53.7 0º41´ IR20ISO M55ϫ3 3 53.05 1º02´ IR30ISO M55ϫ4 4 52.4 1º24´ IR40ISO M56ϫ1.5 1.5 55.03 0º30´ IR15ISO M56ϫ2 2 54.7 0º40´ IR20ISO M56ϫ3 3 54.05 1º01´ IR30ISO M56ϫ4 4 53.4 1º22´ IR40ISO M58ϫ1.5 1.5 57.03 0º29´ IR15ISO M58ϫ2 2 56.7 0º39´ IR20ISO M58ϫ3 3 56.05 0º59´ IR30ISO M58ϫ4 4 55.4 1º19´ IR40ISO M60ϫ1.5 1.5 59.03 0º28´ IR15ISO M60ϫ2 2 58.7 0º37´ IR20ISO M60ϫ3 3 58.05 0º57´ IR30ISO M60ϫ4 4 57.4 1º16´ IR40ISO Unified coarse screw thread (UNC) Shank material Steel shank Carbide shank “Tsuppari-Ichiban” Insert size 11IR 16IR 22IR 27IR 11IR 16IR 22IR Holder Cat. No. Insert Cat. No. 7/16-14UNC 14 9.93 3º20´ (IR14UN) 1/2-13UNC 13 11.43 3º07´ (IR13UN) 9/16-12UNC 12 12.91 2º59´ IR12UN 5/8-11UNC 11 14.38 2º56´ (IR11UN) 3/4-10UNC 10 17.4 2º40´ (IR10UN) 7/8-9UNC 9 20.39 2º31´ IR9UN 1-8UNC 8 23.34 2º29´ IR8UN 1 1/8-7UNC 7 26.22 2º31´ (IR7UN) 1 1/4-7UNC 7 29.39 2º15´ (IR7UN) 1 3/8-6UNC 6 32.17 2º24´ (IR6UN) 1 1/2-6UNC 6 35.35 2º11´ (IR6UN) ™ ™ 1 3/4-5UNC 5 41.15 2º15´ (IR5UN) ™ ™ 2-4 1/2UNC 4.5 47.14 2º11´ (IR45UN) 2 1/4-4 1/2UNC 4.5 53.49 1º55´ (IR45UN) ™ 2 1/2-4UNC 4 59.38 1º57´ (IR4UN) ™ 2 3/4-4UNC 4 65.73 1º46´ (IR4UN) ™ ™ 3-4UNC 4 72.08 1º36´ (IR4UN) ™™ 3 1/4-4UNC 4 78.43 1º29´ (IR4UN) 3 1/2-4UNC 4 84.78 1º22´ (IR4UN) 3 3/4-4UNC 4 91.13 1º16´ (IR4UN) 4-4UNC 4 97.48 1º11´ (IR4UN) x : Change the shim to NXN22-2 x : Change the shim to GXN22-2DT x : Change the shim to NXN27-2 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. L052 www.tungaloy.com