Sumitomo General Catalog 2025-2026

GSX MILL Endmills (3 Flutes) GSX 30000C-2D Type

Recommended Cutting Conditions 1. For stable machining performance use rigid, high-precision machines and holders. 2. Use air blow when dry machining. 3. Use wet machining for stainless steel, heat-resistant alloy, and titanium alloy applications. 4. If the machine cannot achieve the recommended spindle speed, please use the maximum spindle speed available.

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DC

Side Milling

Tempered Steel, Hardened Steel NAK , HPM (35 to 45HRC)

Carbon Steel SC (150 to 250HB)

Alloy Steel SCM (25 to 35HRC)

Work Material Cutting Conditions

Steel for Structure SS

Heat-Resistant Alloy Titanium Alloy

Hardened Steel (45 to 55HRC)

Stainless Steel SUS304,SUS316

Cast Iron FC

I

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 18,300 10,500

Feed Rate (mm/min)

Spindle Speed (min -1 ) 12,700

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 ) 11,000

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

DC (mm)

9,000 5,300 3,000 2,200 1,600 1,300 1,100

9,000 5,300 3,000 2,200 1,600 1,300 1,100

1.0 2.0 4.0 6.0 8.0

300 410 550 670 670 670 670

300 410 550 670 670 670 670

300 410 550 670 670 670 670

210 280 370 460 460 460 460

130 170 230 270 270 270 270

80

90

65 90

7,300 4,200 3,000 2,200 1,800 1,500

6,400 3,600 2,700 2,000 1,600 1,300

100 140 170 170 170 170

120 150 180 180 180 180

6,400 4,600 3,400 2,800 2,300

6,400 4,600 3,400 2,800 2,300

6,400 4,600 3,400 2,800 2,300

6,000 4,300 3,200 2,600 2,200

120 130 130 130 130

10.0 12.0

1.5DC 0.05DC

1.0DC 0.02DC

a p a e

Standard Depth of Cut

Groove Milling

Tempered Steel, Hardened Steel NAK , HPM (35 to 45HRC)

Carbon Steel SC (150 to 250HB)

Alloy Steel SCM (25 to 35HRC)

Work Material Cutting Conditions

Steel for Structure SS

Heat-Resistant Alloy Titanium Alloy

Hardened Steel (45 to 55HRC)

Stainless Steel SUS304,SUS316

Cast Iron FC

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 19,600 11,200

Feed Rate (mm/min)

Spindle Speed (min -1 ) 18,300 10,500

Feed Rate (mm/min)

Spindle Speed (min -1 ) 12,700

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 ) 11,000

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

DC (mm)

9,000 5,300 3,000 2,200 1,600 1,300 1,100

4,500 2,650 1,500 1,150

1.0 2.0 4.0 6.0 8.0

240 320 450 540 540 540 540

300 410 550 670 670 670 670

300 410 550 670 670 670 670

210 280 370 460 460 460 460

130 170 230 270 270 270 270

80

65 85

25 35 50 55

7,300 4,200 3,000 2,200 1,800 1,500

6,400 3,600 2,650 2,000 1,600 1,300

100 140 170 170 170 170

6,400 4,600 3,400 2,800 2,300

6,400 4,600 3,400 2,800 2,300

6,400 4,600 3,400 2,800 2,300

6,000 4,300 3,200 2,600 2,200

100 130

130 800 55 130 650 55 130 500 55

10.0 12.0

Standard Depth of Cut

0.2DC

0.5DC

0.2DC

0.05DC

0.2DC

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