INSL CDXIC Fracture resistance D1 AH7025 INSL CDXIC D1 INSERT **GMR/L 6GMR BW S 8GMR7GMRRECW9GMR BW RECW S Single edge Double edge Right hand (R) shown. P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice External H Hard materials : Second choice Coated Internal Designation HAND CW±0.025 RE CDX BW S IC INSL D1 6GMR100-015 R 1 0.15  1.5 5.56 2.34 4.76 6.44 2.3 Face 7GMR200-020 R 2 0.2  1.5 5.56 3.08 5.56 7.36 2.58 8GMR150-020 R 1.5 0.2  2 6.15 3.87 5.56 10.16 2.58 9GMR200-020 R 2 0.2  3 7.74 4.66 6.35 12.95 2.86 Parting 9GMR300-020 R 3 0.2  3 7.74 4.66 6.35 12.95 2.86 : Line up CHIPBREAKER SELECTION GR/L Ground chipbreaker GMR 3D chipbreaker Chip control CHAT TER STABILIT Y 3D chipbreaker Ground chipbreaker Steel New chipbreaker Conventional Competitor Workpiece material : S45C / C45 Hole diameterø8 mm Pilot hole diameter (thru hole) : ø8 mm10°0°5°Cutting speed: Vc = 80 m/minGroove depth: 1.5 mm Coolant : Wet (External coolant) 0.1 Fractured Fractured Feed rate(mm/rev)0.05 Chatter 0.03 = Stable Reference pages: Toolholders → 6-56, Standard cutting conditions → 6-59 6-58