GENERAL TECHNICAL INFORMATION CUTTING DATA Maximum depth of first cut for CNC control Internal Threading - M-Type Inserts Max. Depth for First Pass (D1) inch Pitch InsertFull Profile(mm)TPIDesignationNo. ofpassesLow High Stainless NonferrousCarbon SteelCarbon SteelAlloy SteelSteelAluminumMin.Max.Eq.Dim.Eq.Dim.Eq.Dim.Eq.Dim.Eq.Dim. ISO 1.50 11 IRM 1.50 ISO 10 20 .008 .012 .007 .011 .006 .009 .005 .007 .011 .019 Metric 1.00 16 IRM 1.00 ISO 9 16 .006 .008 .005 .007 .004 .006 .004 .005 .008 .011 1.25 16 IRM 1.25 ISO 9 16 .007 .011 .007 .010 .006 .009 .005 .007 .011 .015 1.50 16 IRM 1.50 ISO 10 20 .008 .012 .007 .011 .006 .009 .005 .008 .011 .019 1.75 16 IRM 1.75 ISO 11 18 .008 .013 .007 .011 .007 .010 .006 .008 .011 .018 2.00 16 IRM 2.00 ISO 12 21 .009 .013 .008 .012 .007 .010 .006 .008 .012 .018 2.50 16 IRM 2.50 ISO 14 21 .009 .013 .008 .012 .007 .011 .006 .009 .013 .019 3.00 16 IRM 3.00 ISO 16 22 .009 .014 .009 .013 .007 .011 .006 .009 .013 .020 American 20 16 IRM 20 UN 7 13 .008 .012 .007 .011 .006 .009 .005 .008 .011 .017 UN 18 16 IRM 18 UN 8 15 .008 .012 .007 .011 .006 .009 .005 .008 .011 .017 16 16 IRM 16 UN 11 19 .008 .012 .007 .011 .006 .009 .005 .008 .011 .017 14 16 IRM 14 UN 11 20 .008 .012 .007 .011 .007 .010 .005 .007 .011 .017 12 16 IRM 12 UN 12 21 .009 .013 .008 .012 .007 .011 .006 .009 .013 .019 8 16 IRM 8 UN 14 20 .009 .014 .009 .013 .007 .011 .006 .009 .013 .020 British 19 16 IRM 19 W 7 12 .011 .016 .010 .015 .009 .013 .007 .010 .015 .023 BSW 16 16 IRM 16 W 9 14 .010 .015 .009 .014 .008 .012 .007 .010 .014 .022 14 16 IRM 14 W 10 16 .011 .016 .009 .015 .009 .013 .007 .011 .015 .022 11 16 IRM 11 W 12 19 .012 018 .011 .016 .010 .015 .008 .012 .017 .025 NPT 14 16 IRM 14 NPT 21 35 .005 .008 .005 .007 .004 .006 .003 .005 .007 .011 11.5 16 IRM 11.5 NPT 21 33 .007 .010 .006 .009 .006 .008 .004 .006 .009 .014 8 16 IRM 8 NPT 20 34 .009 .013 .008 .012 .007 .010 .006 .008 .012 .018 Round 6 16 IRM 6 RND 12 24 .012 .018 .011 .016 .009 .015 .008 .012 .017 .025 Partial 0.50 - 1.25 48-16 06 IRM A 60 .009 .013 .008 .012 .007 .010 .006 .008 .012 .018 Profile 60° 0.50 - 1.50 48-16 08 IRM A 60 (1) .005 .008 .005 .007 .004 .006 .003 .005 .007 .011 0.50 - 1.50 48-16 11 IRM A 60 .005 .008 .005 .007 .004 .006 .003 .005 .007 .011 0.50 - 1.50 48-16 16 IRM A 60 .005 .008 .005 .007 .004 .006 .003 .005 .007 .011 1.75 - 3.00 14-8 16 IRM G 60 .009 .013 .008 .012 .007 .010 .006 .008 .012 .018 0.50 - 3.00 48-8 16 IRM AG 60 .006 .008 .005 .007 .004 .007 .004 .006 .008 .011 3.50 - 5.00 7-5 22 IRM N 60 .009 .013 .008 .012 .007 .011 .006 .009 .013 .019 Partial 1.75 - 3.00 14-8 16 IRM G 55 .013 .020 .012 .018 .011 .016 .009 .013 .019 .028 Profile 55° 0.50 - 3.00 48-8 16 IRM AG 55 .006 .008 .007 .007 .004 .006 .004 .005 .008 .011 (1)As per the number of passes for the relevant pitch. For CT3000, TT6010 and K10, reduce depth of first cut by 30%. 1265