GS MILL Hard Square Endmills 8 GSH 8000SF Type Flutes 8 GS Coated Carbide Carbon Steel Alloy Steel Pre-hardened Tempered Steel Die Steel Hardened Steel Stainless Ti Alloy Heat Resistant A loy Cast Iron Aluminum Copper Alloy Graphite CFRP Steel 45 to 55 55 to 60 60 to 65 Steel Alloy HRC HRC HRC HARD Flutes G G G G G G G Coating Corner Side Milling Groove Finishing Face Milling (Example) DC DMM h6 50° APMX LF DC Tolerance D ≤ 3.0 0  –0.015 Helix Angle 3.0 < D 0  –0.030 ■ Body Dimensions (mm) Cat. No. Stock Cutting diameter Depth of cut Total Length Shank diameter DC APMX LF DMM GSH 8160SF D 16.0 32 90 16 8200SF D 20.0 38 100 20 Grade: ACF07C ■ Recommended Cutting Conditions 1. If the machine cannot achieve the standard spindle speed, please use the max. spindle speed available 2. If cutting noise and vibration are present, please reduce the cutting conditions accordingly. ap ap ae DC ● Side Milling and Groove Milling Work Material Low Carbon Steel Middle Hardened Steel Hardened Steel Hardened Steel Hardened Steel Hardened Steel Cond. Carbon Steel, Alloy Steel Pre-hardened Steel, Die Steel SKD61 SKD11 SKH51 SKH55 (Up to 35HRC) (35 to 45HRC) (45 to 55HRC) (55 to 60HRC) (60 to 65HRC) (65HRC and above) 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 3.0 15,000 2,150 13,400 1,540 10,400 1,050 8,200 650 7,400 540 5,200 380 4.0 11,200 2,400 10,000 1,740 7,800 1,180 6,100 730 5,600 600 3,900 420 I 5.0 9,000 2,700 8,000 1,930 6,200 1,300 4,900 810 4,400 670 3,100 470 6.0 7,500 2,700 6,700 1,930 5,200 1,300 4,100 810 3,700 670 2,600 470 8.0 5,600 2,700 5,000 1,930 3,900 1,300 3,050 810 2,800 670 1,950 470 Coated Endmills 10.0 4,500 2,700 4,000 1,930 3,100 1,300 2,450 810 2,200 670 1,550 470 12.0 3,750 2,700 3,350 1,930 2,600 1,300 2,050 810 1,850 670 1,300 470 16.0 2,800 2,500 2,500 1,800 1,950 1,220 1,530 760 1,400 630 980 440 20.0 2,250 2,100 2,000 1,540 1,550 1,050 1,230 650 1,100 540 780 380 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 Square 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 2 Flutes 3 Flutes ● Side Milling (High Speed Machining Center) Work Material Low Carbon Steel Middle Hardened Steel Hardened Steel Hardened Steel Hardened Steel 4 Flutes Cond. Carbon Steel, Alloy Steel Pre-hardened Steel, Die Steel SKD61 SKD11 SKH51 6 Flutes (Up to 35HRC) (35 to 45HRC) (45 to 55HRC) (55 to 60HRC) (60 to 65HRC) 8 Flutes 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) Radius 1.0 48,000 1,250 48,000 1,250 48,000 1,250 48,000 930 38,000 700 Ballnose 2.0 48,000 2,850 48,000 2,850 48,000 2,850 36,000 1,600 24,000 1,000 3.0 32,000 4,900 32,000 4,900 32,000 4,900 24,000 2,740 16,000 1,700 DLC 4.0 24,000 5,200 24,000 5,200 24,000 5,200 18,000 2,900 12,000 1,800 5.0 19,200 5,800 19,200 5,800 19,200 5,800 14,300 3,200 9,600 2,000 SUMIDIA 6.0 16,000 5,800 16,000 5,800 16,000 5,800 12,000 3,200 8,000 2,000 Coat 8.0 12,000 5,800 12,000 5,800 12,000 5,800 9,000 3,200 6,000 2,000 Long 10.0 9,600 5,800 9,600 5,800 9,600 5,800 7,200 3,200 4,800 2,000 Neck 12.0 8,000 5,800 8,000 5,800 8,000 5,800 6,000 3,200 4,000 2,000 Uncoated 16.0 6,000 5,400 6,000 5,400 6,000 5,400 4,500 3,000 3,000 1,900 20.0 4,800 4,600 4,800 4,600 4,800 4,600 3,600 2,580 2,400 1,600 CBN Standard ap 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC 1 to 1.5DC PCD Depth-of-cut ae 0.1DC 0.05DC 0.05DC 0.02DC 0.01DC I68