GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex Miniature Grooving - Quick Guide A External Grooving TetraMini-Cut Shank size (mm) Groove width Max. groove depth B Application Designation Insert 0 10 20 30 (mm) (mm) Page STCR/L-18-CHP TC*18R/L… 12 16 0.33 - 3.0 0.8 - 3.5 G065 C STCR/L-18 TC*18R/L… 10 25 0.33 - 3.0 0.8 - 3.5 G064 JS-STCL18 TC*18R… ø14 ø25.4 0.33 - 3.0 0.8 - 3.5 G065 D TetraForce-Cut Shank size (mm) Groove width Max. groove depth Application Designation Insert 0 10 20 30 (mm)STCR/L-27TC*27…10250.5 - 3.18(mm)Page1.0 - 6.4G074 E J-seriesApplication Designation Insert Shank size (mm) Groove width Max. groove depth0102030(mm)(mm)Page F JSTGR/L JTGR/L3… 10 16 0.33 - 3.0 0.7 - 2.6 G079 JS-TGL3 JTGR3… ø19.05 ø25.4 0.33 - 3.0 0.7 - 2.6 G079 G JSVGR/L JVGR/L… 10 16 0.33 - 2.0 0.7 - 5.5 G083 H JSXGR/L JXGR/L8… 10 25 0.7 - 2.0 4.5 - 6.0 G082 GTGNApplication Designation Shank size (mm) Groove width Max. groove depthInsert0102030(mm)(mm)Page I CER/L GTGN-16E… 12 20 1.0 - 2.25 1.0 - 6.4 F070 TungHeavyGroove Shank size (mm) Groove width Max. groove depth J Application Designation Insert 0 10 20 30 (mm) (mm) Page FPGN PSGB… 12 25 10 - 25 Wide grooving andprofilingG084 K SPGN PSGB… 12 25 10 - 25 Wide grooving andprofilingG085 L M Tungaloy G009