Nominal size Nominal size TPI TPIPitch PitchPitch diameter Lead angleLead angle SNR0006H06-2SNR0016M16 SNR0006H06-3SNR0016M16-2 SNR0008H06-2 SNR0016M16-3 SNR0008H06-3 CNR0020P16 SNR0016M16 CNR0025R16 SNR0016M16-2 SNR0016M16-3CNR0032S16 CNR0020P16SNR0020Q22 CNR0025R16SNR0020Q22-2 CNR0032S16SNR0020Q22-3 (CNR0040T16) CNR0025R22 (CNR0050U16) CNR0032S22 SNR0006K06SC-2 CNR0040T27 SNR0006K06SC-3 SNR0008K06SC-2(CNR0050U27) SNR0008K06SC-3SNR0016R16SC SNR0016R16SCSNR0016R16SC-2 SNR0016R16SC-2 SNR0016R16SC-3 (SNR0016R16SC-3) TSNR0016Q16 TSNR0016Q16 TCNR0020R16DT TCNR0020R16DT TCNR0025S22DT TCNR0025S16DT (TCNR0032T16DT)(TCNR0032T22DT) GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex User’s Guide - Technical Reference A National taper pipe thread (NPT) (for pipe) Shank material Steel shank Carbide shank “Tsuppari-Ichiban” B Insert size 6IR 16IR 6IR 16IR 16IR Holder Cat. No. Insert Cat.No. C 3/8NPT 18 1.41 1º37´ IR18NPT 1/2NPT 14 1.81 1º40´ IR14NPT 3/4NPT 14 1.81 1º19´ IR14NPT1NPT11.52.211º17´IR115NPT1 1/4NPT11.52.211º00´IR115NPT D 1 1/2NPT 11.5 2.21 0º52´ IR115NPT 2NPT 11.5 2.21 0º41´ IR115NPT 2 1/2NPT 8 3.175 0º50´ IR8NPT3NPT83.1750º40´IR8NPT3 1/2NPT83.1750º35´IR8NPT E 4NPT 8 3.175 0º31´ IR8NPT 5NPT 8 3.175 0º25´ IR8NPT 0 0 0 0 º 0 0 º 6NPT 8 3.175 0º21´ IR8NPT 0 0 0 0 º8NPT83.1750º16´IR8NPT0000º10NPT83.1750º13´IR8NPT0000º 0 0 º00º00º F 12NPT 8 3.175 0º11´ IR8NPT 0 0 0 0 º 0 0 º 14NPT 8 3.175 0º10´ IR8NPT 0 0 0 0 º 0 0 º 16NPT 8 3.175 0º09´ IR8NPT 0 0 0 0 º18NPT83.1750º08´IR8NPT0000º20NPT83.1750º07´IR8NPT0000º 0 0 º00º00º G 24NPT 8 3.175 0º06´ IR8NPT 0 0 0 0 º 0 0 º / : Change the shim to AN16-0 / : Change the shim to AN16-0DT 29° trapezoidal thread (ACME) (for machine parts, pipe) Shank material Steel shank Carbide shank “Tsuppari-Ichiban” H Insert size 16IR 22IR 27IR 16IR 16IR 22IR Holder Cat. No. Insert Cat.No. I 3/8 12 2.12 8.465 4º33´ IR12ACME 7/16 12 2.12 10.053 3º50´ IR12ACME 1/2 10 2.54 11.43 4º03´ IR10ACME J 5/8 8 3.18 14.274 4º03´ IR8ACME 3/4 6 4.23 16.934 4º33´ IR6ACME 7/8 6 4.23 20.109 3º50´ IR6ACME K 1 5 5.08 22.86 4º03´ IR5ACME 1-1/8 5 5.08 26.035 3º33´ IR5ACME 1-1/4 5 5.08 29.21 3º10´ IR5ACME1-3/846.3531.753º39´IR4ACME L 1-1/2 4 6.35 34.925 3º19´ IR4ACME 1-3/4 4 6.35 41.275 2º48´ IR4ACME246.3547.6252º26´IR4ACME M Because this thread standard is characterized with large pitch and small diameter, (that is a large lead angle) the standard inserts and toolholders can not be used for machining this thread type. The application is limited to outside of the standard. 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 L057