GSX MILL Endmills 2 Sharp Edge Endmills (2 Flutes) GSX 20000S-2D Type Resistant Alloy Pre-hardened Ti Alloy / Heat Structual Steel Alloy Steel Carbon Steel Coated Hardened Steel Stainless GSX Graphite Die Steel Tempered Cast iron Cu Alloy Al Alloy Carbide Steel Steel 45~55 55~60 60~65 Endmills HRC HRC HRC Grades Coating  ◎ ◎ ◎ ◎ ◎  ◎   (mm) Cat. No. Stock øD 1 2 L ød ød h5 øD GSX 20050S-2D l 0,5 1,3 1,7 40 4 1 GSX 20100S-2D l 1,0 2,5 3,5 40 4 2 GSX 20150S-2D l 1,5 3,8 4,8 40 4 L GSX 20200S-2D l 2,0 5,0 6,0 40 4 GSX 20250S-2D l 2,5 6,3 7,3 40 4 30° ( øD) (mm) GSX 20300S-2D l 3,0 7,5 9,0 45 6 40 GSX20000S-2D GSX 20350S-2D l 3,5 8,8 10,3 45 6 Helix Angle Corner : S Type 30 GSX 20400S-2D l 4,0 11,0 14,0 45 6 øDc Tolerance 20 GSX 20450S-2D l 4,5 11,3 12,8 50 6 D ≤ 3,0 3,0 < D ≤ 12 0 0 – 0,015 – 0,020 10 GSX 20500S-2D l 5,0 13,0 19,6 50 6 12,0 < D 0 – 0,030 0 20 40 60 80 100 ( 1 ) GSX 20550S-2D l 5,5 13,0 19,6 50 6 GSX 20600S-2D l 6,0 13,0 – 50 6 Grade: ACF20 GSX 20700S-2D l 7,0 16,0 21,1 60 8 GSX 20800S-2D l 8,0 19,0 – 60 8 n Endmill Identification (GSX MILL Series) GSX 20900S-2D l 9,0 19,0 24,1 70 10 GSX 21000S-2D 10,0 22,0 – 70 10 GSX 2 0050 S - 2D l GSX 21200S-2D l 12,0 26,0 – 75 12 GSX 21600S-2D l 16,0 32,0 – 90 16 j k l m n GSX 22000S-2D l 20,0 40,0 – 100 20 Series No. of Diameter Cutting Cutting Edge  Code Teeth Edge Length ( S:C: Sharp Gash Land Drilling ) Edge Recommended Cutting Conditions 1. For stable machining performance use rigid, high-precision machines and holders. 2. Use air blowing when dry machining. 3. Use wet machining for stainless steel, heat resistant alloy, and titanium alloy applications. 4. If chattering is a problem, reduce the spindle speed and feed rate indicated in the table below by the same ratio, or doc reduce the depth of cut. 5. This series is not recommended for grooving. doc 6. If the machine cannot achieve the recommended spindle speed, please use the max. spindle speed available. woc øD woc l Shoulder Milling Work Material Tempered Steel, Heat Resistive Carbon Steel Hardened Steel Alloy Steel Structural Steel Hardened Steel Cast Iron Stainless Steel Steel, Cond. (150 to 250HB) (45 to 55HRC) (25 to 35HRC) (35 to 45HRC) Titanium Alloy Endmills Coated Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate øD (mm) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) 1,0 16.600 180 16.600 180 16.600 180 15.500 130 10.500 70 7.500 45 9.400 50 7.500 35 2,0 9.500 250 9.500 250 9.500 250 9.000 200 6.200 100 4.500 60 5.400 70 4.500 50 4,0 5.400 330 5.400 330 5.400 330 5.000 250 3.400 120 2.500 75 3.000 90 2.500 65 6,0 4.000 400 4.000 400 4.000 400 3.700 300 2.550 150 1.900 100 2.300 110 1.900 80 8,0 3.000 400 3.000 400 3.000 400 2.800 300 1.900 150 1.400 100 1.700 110 1.400 80 10,0 2.400 400 2.400 400 2.400 400 2.200 300 1.500 150 1.100 100 1.300 110 1.100 80 12,0 2.000 400 2.000 400 2.000 400 1.850 300 1.300 150 950 100 1.100 110 950 80 16,0 1.500 330 1.500 330 1.500 330 1.400 250 950 120 700 75 850 85 700 60 20,0 1.200 280 1.200 280 1.200 280 1.100 220 750 110 550 65 650 75 550 55 Shoulder doc 1,5 D 1,0 D cutting woc 0,05 D 0,02 D l Groove Finishing Work Material Tempered Steel, Heat Resistive Carbon Steel Hardened Steel Alloy Steel Structural Steel Cast Iron Hardened Steel Stainless Steel Steel, Cond. (150 to 250HB) (45 to 55HRC) (25 to 35HRC) (35 to 45HRC) Titanium Alloy Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate øD (mm) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) (rpm) (mm/min) 1,0 16.600 180 16.600 180 16.600 180 15.500 130 10.500 70 7.500 45 9.400 50 7.500 35 2,0 9.500 250 9.500 250 9.500 250 9.000 200 6.200 100 4.500 60 5.400 70 4.500 50 4,0 5.400 330 5.400 330 5.400 330 5.000 250 3.400 120 2.500 75 3.000 90 2.500 65 6,0 4.000 400 4.000 400 4.000 400 3.700 300 2.550 150 1.900 100 2.300 110 1.900 80 8,0 3.000 400 3.000 400 3.000 400 2.800 300 1.900 150 1.400 100 1.700 110 1.400 80 10,0 2.400 400 2.400 400 2.400 400 2.200 300 1.500 150 1.100 100 1.300 110 1.100 80 12,0 2.000 400 2.000 400 2.000 400 1.850 300 1.300 150 950 100 1.100 110 950 80 16,0 1.500 330 1.500 330 1.500 330 1.400 250 950 120 700 75 850 85 700 60 20,0 1.200 280 1.200 280 1.200 280 1.100 220 750 110 550 65 650 75 550 55 Groove doc 1,5 D finishing woc ~ 0,02 D J8 l = Euro stock