Hand of cut INSERT 60° thread angle (General purpose) 60° 60° Applicable toolholder RE 0.6 RE External 60° JSXBR**K8JSXBR**K8-C IC S S Threadform 1-Type 2-TypeRight hand (R) shown.JXT1RJXT2R 60º Partial-profile insert External insert M(Metric) Pitch TPI Designation GradeCoatedUncoated IC S RE J740 TH10 55º 0.5 - 1 25 - 48 R JXT1R6000F 䖃 䖃 8 3.97 0.03 UN 0.5 - 1 25 - 48 R JXT2R6000F 䖃 䖃 8 3.97 0.03 (Unified) W (Whitworth) BSPT (R, PT) Reference pages: J-Series : Toolholders → 5-19, 5-20 5-6