THREADING THREADING MMT STANDARD OF DEPTH OF CUT INTERNAL (RADIAL INFEED) y BSPT (inch) Pitch Total Number of Passes Insert Type (thread/ Cuttinginch)Depth123 4 5 6 7 8 9 G-class ground inserts M-class inserts with3-D chip breakers 19 .034 .009 .007 .006 .005 .005 .002 MMT11IR190BSPT MMT16IR190BSPT MMT16IR190BSPT-S 14 .046 .009 .008 .007 .006 .005 .005 .004 .002 MMT11IR140BSPT MMT16IR140BSPT MMT16IR140BSPT-S 11 .058 .010 .009 .008 .007 .006 .006 .005 .005 .002 – MMT16IR110BSPT MMT16IR110BSPT-S yRound DIN 405 (inch) Pitch Total Number of Passes Insert Type (thread/ Cutting inch) Depth 1 2 3 4 5 6 7 8 9 10 11 12 13 14 G-class ground inserts 10 .050 .009 .008 .008 .007 .006 .005 .005 .002 MMT16IR100RD 8 .063 .009 .008 .008 .007 .007 .006 .006 .005 .005 .002 MMT16IR080RD 6 .083 .010 .010 .009 .009 .008 .007 .007 .006 .006 .005 .004 .002 MMT16IR060RD 4 .125 .013 .013 .013 .012 .011 .010 .009 .009 .008 .007 .007 .006 .005 .002 MMT22IR040RD yISO Trapezoidal 30° (mm) Pitch(mm)TotalCuttingDepth123 4 5 Number of Passes6789 10 11 12 13 14 Insert TypeG-class ground inserts 1.5 0.90 0.23 0.21 0.16 0.13 0.11 0.06 MMT16IR150TR 2 1.25 0.29 0.26 0.21 0.17 0.14 0.12 0.06 MMT16IR200TR 3 1.75 0.32 0.31 0.24 0.19 0.18 0.17 0.15 0.13 0.06 MMT16IR300TR 4 2.25 0.33 0.32 0.24 0.22 0.21 0.17 0.16 0.15 0.14 0.13 0.12 0.06 MMT22IR400TR G 5 2.75 0.35 0.32 0.26 0.24 0.22 0.21 0.19 0.19 0.17 0.15 0.14 0.13 0.12 0.06 MMT22IR500TR yAmerican ACME (inch) Pitch Total Number of Passes Insert Type (thread/ Cutting inch) Depth 1 2 3 4 5 6 7 8 9 10 11 12 13 14 G-class ground inserts 12 .047 .011 .009 .008 .007 .006 .004 .002 MMT16IR120ACME 10 .060 .011 .010 .008 .007 .006 .006 .005 .005 .002 MMT16IR100ACME 8 .072 .012 .010 .009 .007 .006 .006 .006 .005 .005 .004 .002 MMT16IR080ACME 6 .093 .013 .012 .011 .009 .008 .007 .006 .006 .005 .005 .005 .004 .002 MMT22IR060ACME 5 .110 .014 .013 .012 .010 .009 .008 .007 .007 .006 .006 .006 .005 .005 .002 MMT22IR050ACME yAPI Buttress Casing (inch) Pitch Total Number of Passes Insert Type (thread/ Cutting inch) Depth 1 2 3 4 5 6 7 8 9 10 11 G-class ground inserts 5 .061 .010 .009 .007 .006 .005 .005 .005 .004 .004 .004 .002 MMT22IR050APBU yAPI Round Casing & Tubing (inch) Pitch Total Number of Passes Insert Type (thread/ Cutting inch) Depth 1 2 3 4 5 6 7 8 9 10 11 12 G-class ground inserts 10 .056 .010 .009 .006 .006 .005 .005 .005 .004 .004 .002 MMT16IR100APRD 8 .071 .010 .009 .007 .006 .006 .006 .005 .005 .005 .005 .005 .002 MMT16IR080APRD Note 1) · Set the finishing allowance on a diameter at approx. .004 inch when using a full form insert. · Please note the cutting depth and the number of passes when a nose radius of a partial or semi-full form insert or of an internal threading insert is small to prevent damage to the insert nose. · Please set the cutting depth sufficiently deep enough on materials such as hardened steel or austenitic stainless steel to help prevent premature wear and chipping caused by the outer layer of the material. G018