EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated Stock 0 DC -0.015 DMM h6 ap ap GS MILL Hard Square Endmills GSH 4000SF Type General CarbonSteelSteelAlloySteelPre-hardenedSteelTemperedSteel/Die SteelHardenedSteel45 to 55HRCHardenedSteel55 to 60HRC Corner Flutes Coat Helix Angle Side Milling Groove Finishing Face Milling Fig 1 APMX LU 15˚ LF I Body (4 Flutes) Dimensions (mm) Cat. No. Dia.DC Cutting Edge Length Neck Length Overall LengthAPMXLULF Shank Dia.DMM Fig GSH 4010SF ● 1.0 3.0 4.0 50 6 1 GSH 4015SF ● 1.5 4.0 5.0 50 6 1 GSH 4020SF ● 2.0 6.0 7.0 50 6 1 Grade: ACF07C Recommended Cutting Conditions 1. If the machine cannot achieve the standard spindle speed, please use the maximum spindle speed available. 2. If cutting noise and vibration occur, please reduce the cutting conditions accordingly. ae DC Side Milling and Groove Milling Work Material Low Hardened Steel Medium Hardened Steel Hardened Steel Hardened Steel Hardened Steel Hardened Steel Cutting Carbon Steel, Alloy Steel Pre-hardened Steel, Die Steel SKD61 SKD11 SKH51 SKH55 Conditions (Up to 35HRC) (35 to 45HRC) (45 to 55HRC) (55 to 60HRC) (60 to 65HRC) (65HRC up) DC (mm) Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) 1.0 20,000 540 20,000 390 15,600 260 12,300 160 11,100 140 7,800 95 2.0 19,000 1,100 17,200 770 13,400 530 10,500 320 9,500 270 6,700 190 Side ap 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC Milling ae 0.1DC 0.1DC 0.05DC 0.05DC 0.02DC 0.02DC Groove Miling ap 0.1DC 0.1DC 0.05DC 0.05DC Up to 0.05DC Max. 0.5mm Up to 0.05DC Max. 0.5mm Side Milling (High Speed Machining Centre) Work Material Low Hardened Steel Medium Hardened Steel Hardened Steel Hardened Steel Hardened Steel Cutting Carbon Steel, Alloy Steel Pre-hardened Steel, Die Steel SKD61 SKD11 SKH51 Conditions (Up to 35HRC) (35 to 45HRC) (45 to 55HRC) (55 to 60HRC) (60 to 65HRC) DC (mm) Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) 1.0 48,000 1,250 48,000 1,250 48,000 1,250 48,000 930 38,000 700 2.0 48,000 2,850 48,000 2,850 48,000 2,850 36,000 1,600 24,000 1,000 Standard ap 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC Depth of Cut ae 0.1DC 0.05DC 0.05DC 0.02DC 0.01DC I78