Nominal sizeNominal size PitchPitch Pitch diameterPitch diameter Lead angleLead angle SNR0016M16SNR0016M16 SNR0016M16-2SNR0016M16-2 SNR0016M16-3SNR0016M16-3 CNR0020P16CNR0020P16 CNR0025R16CNR0025R16 CNR0032S16CNR0032S16 CNR0040T16SNR0020Q22 CNR0050U16SNR0020Q22-2 SNR0020Q22-3 SNR0020Q22 CNR0025R22 SNR0020Q22-2 CNR0032S22 SNR0020Q22-3 (CNR0040T22) CNR0025R22 (CNR0050U22) CNR0032S22 (CNR0063V22) CNR0040T27 CNR0040T27 (CNR0050U27) (CNR0050U27) SNR0016R16SC (CNR0063V27) SNR0016R16SC-2 SNR0016R16SC (SNR0016R16SC-3) SNR0016R16SC-2 TSNR0016Q16(SNR0016R16SC-3) TCNR0020R16DTTSNR0016Q16 TCNR0020R16DT TCNR0025S16DT TCNR0025S16DT (TCNR0032T16DT)(TCNR0032T16DT) TSNR0020R22TSNR0020R22 TCNR0025S22DTTCNR0025S22DT (TCNR0032T22DT)(TCNR0032T22DT) GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex User’s Guide - Technical Reference A 30° trapezoidal thread (TR) (for machine parts) Shank material Steel shank Carbide shank 1/2“Tsuppari-Ichiban” B Insert size 16IR 22IR 27IR 16IR 16IR 22IR Holder Cat. No. Insert Cat.No. C TR22ϫ3 3 20.5 2º40´ IR30TR TR24ϫ5 5 21.5 4º14´ IR50TR TR24ϫ3 3 22.5 2º26´ IR30TR TR26ϫ5 5 23.5 3º52´ IR50TRTR26ϫ3324.52º14´IR30TRTR28ϫ5525.53º34´IR50TR D TR28ϫ3 3 26.5 2º04´ IR30TR TR30ϫ6 6 27 4º03´ IR60TR TR30ϫ3 3 28.5 1º55´ IR30TR TR32ϫ6 6 29 3º46´ IR60TRTR32ϫ3330.51º48´IR30TR ™TR34ϫ66313º32´IR60TR ™ E TR34ϫ3 3 32.5 1º41´ IR30TR ™ ™ TR36ϫ6 6 33 3º19´ IR60TR TR36ϫ3 3 34.5 1º35´ IR30TR 2 ™ ™ ™ TR38ϫ3 3 36.5 1º30´ IR30TR 2 ™TR40ϫ3338.51º25´IR30TRTR42ϫ3340.51º21´IR30TR ™ ™ F TR44ϫ3 3 42.5 1º17´ IR30TR TR46ϫ3 3 44.5 1º14´ IR30TR TR48ϫ3 3 46.5 1º11´ IR30TR TR50ϫ3 3 48.5 1º08´ IR30TRTR52ϫ3350.51º05´IR30TRTR55ϫ3353.51º01´IR30TR G TR60ϫ3 3 58.5 0º56´ IR30TR x : Change the shim to AN16-2 x : Change the shim to AN16-2DT 30° trapezoidal thread (TR) (for machine parts) 2/2Shank materialSteel shankCarbide shank“Tsuppari-Ichiban”Insert size16IR22IR27IR16IR16IR22IRH Holder Cat. No. Insert Cat.No.TR65ϫ44631º09´IR40TR I TR70ϫ4 4 68 1º04´ IR40TR TR75ϫ4 4 73 1º00´ IR40TR TR80ϫ4 4 78 0º56´ IR40TRTR85ϫ44830º53´IR40TRTR90ϫ44880º50´IR40TR J TR95ϫ4 4 93 0º47´ IR40TR TR100ϫ4 4 98 0º45´ IR40TR TR105ϫ4 4 103 0º42´ IR40TRTR110ϫ441080º41´IR40TRTR115ϫ661120º59´IR60TR K TR120ϫ6 6 117 0º56´ IR60TR TR125ϫ6 6 122 0º54´ IR60TR TR130ϫ6 6 127 0º52´ IR60TR TR135ϫ6 6 132 0º50´ IR60TRTR140ϫ661370º48´IR60TR L TR145ϫ6 6 142 0º46´ IR60TR TR150ϫ6 6 147 0º45´ IR60TR TR155ϫ6 6 152 0º43´ IR60TR TR160ϫ6 6 157 0º42´ IR60TRTR165ϫ661620º41´IR60TRTR170ϫ661670º39´IR60TR M 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. Tungaloy L055