Sumitomo General Catalog 2025-2026

GSX MILL 4 Flute Endmills Sharp Edge GSX 400S-2D I nch Type

Ti Alloy / Heat Resistant Alloy

Hardened Steel 45 to 55HRC

Hardened Steel 55 to 60HRC

Stainless Steel

General Steel

Carbon Steel

Alloy Steel

Pre-hardened Steel

Tempered Steel/Die Steel

Cast Iron

GSX I nch P roducts are made to order

Corner

Flutes

Coat

Side Milling

Groove Finishing

Helix Angle

Fig 1

Fig 2

APMX

APMX

15°

LU

LF

LF

DC

Tolerance

I

D ≤ 3.0

0 -0.015 0 -0.020 0 -0.030

3.0 < D ≤ 12

12.0 < D

Endmill Identification (GSXMILL Series Only)

Body

GSX Inch - Made to Order

Dimensions (inch)

Series Code GSX 4 04 S - 2D

Dia. DC

Cutting Edge Length APMX

Neck Length LU

Overall Length LF

Shank Dia. DMM

Cat. No.

Fig

GSX404S-2D GSX406S-2D GSX408S-2D GSX410S-2D GSX412S-2D GSX414S-2D GSX416S-2D GSX418S-2D GSX420S-2D GSX424S-2D GSX428S-2D GSX432S-2D GSX436S-2D GSX440S-2D GSX444S-2D GSX448S-2D GSX456S-2D GSX464S-2D Grade: ACF20

1 1 2 1 2 1 2 1 2 2 2 2 2 2 2 2 2 2

0.0625 0.1250 0.1644 0.0938 0.1875 0.2269 0.1250 0.2500 - 0.1563 0.3125 0.3716 0.1875 0.3750 - 0.2188 0.4376 0.516 0.2500 0.5000 - 0.2813 0.5626 0.641 0.3125 0.6250 - 0.3750 0.7500 - 0.4375 0.8750 - 0.5000 1.0000 - 0.5625 1.1250 - 0.6250 1.2500 - 0.6875 1.3750 - 0.7500 1.5000 - 0.8750 1.7500 - 1.0000 2.0000 -

0.1250 0.1250 0.1250 0.1875 0.1875 0.2500 0.2500 0.3125 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.6875 0.7500 0.8750 1.0000

1.500 1.500 2.000 2.000 2.000 2.000 2.000 2.500 2.500 3.000 3.000 3.000 3.500 3.500 4.000 4.000 4.000 4.000

Cutting Edge

Cutting Edge Length

Diameter in 64ths (4/64 = 0.0625")

Number of Flutes

S: Sharp Edge

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.

a e

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

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

DC (inch)

< 0.039 22,000 360 22,000 360 22,000 360 19,000 220 13,000 140 9,500 90 11,300 90 9,500 65 < 0.078 11,500 440 11,500 440 11,500 440 11,000 290 7,500 180 5,400 110 6,500 120 5,400 85 < 0.156 6,000 560 6,000 560 6,000 560 5,800 370 4,000 230 2,900 150 3,400 160 2,900 100 < 0.236 4,200 600 4,200 600 4,200 600 4,000 400 2,700 240 2,000 160 2,400 170 2,000 120 < 0.315 3,000 600 3,000 600 3,000 600 2,800 400 2,000 240 1,450 160 1,800 170 1,450 120 < 0.393 2,500 600 2,500 600 2,500 600 2,350 400 1,600 240 1,200 160 1,450 170 1,200 120 < 0.472 2,100 600 2,100 600 2,100 600 2,000 400 1,350 240 1,000 160 1,200 170 1,000 120 < 0.630 1,500 500 1,500 500 1,500 500 1,450 320 1,000 210 750 130 900 140 750 90 < 0.787 1,200 460 1,200 460 1,200 460 1,150 290 800 200 600 110 700 120 600 75 < 1.000 960 370 960 370 960 370 920 230 640 160 480 85 560 95 480 60 Standard Depth of Cut a p 2.0DC a e 0.03DC 0.01DC

Groove Finishing

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 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

Spindle Speed (min -1 )

Feed Rate (mm/min)

DC (inch)

< 0.039 22,000 360 22,000 360 22,000 360 19,000 220 13,000 140 9,500 90 11,300 90 9,500 65 < 0.078 11,500 440 11,500 440 11,500 440 11,000 290 7,500 180 5,400 110 6,500 120 5,400 85 < 0.156 6,000 560 6,000 560 6,000 560 5,800 370 4,000 230 2,900 150 3,400 160 2,900 100 < 0.236 4,200 600 4,200 600 4,200 600 4,000 400 2,700 240 2,000 160 2,400 170 2,000 120 < 0.315 3,000 600 3,000 600 3,000 600 2,800 400 2,000 240 1,450 160 1,800 170 1,450 120 < 0.393 2,500 600 2,500 600 2,500 600 2,350 400 1,600 240 1,200 160 1,450 170 1,200 120 < 0.472 2,100 600 2,100 600 2,100 600 2,000 400 1,350 240 1,000 160 1,200 170 1,000 120 < 0.630 1,500 500 1,500 500 1,500 500 1,450 320 1,000 210 750 130 900 140 750 90 < 0.787 1,200 460 1,200 460 1,200 460 1,150 290 800 200 600 110 700 120 600 75 < 1.000 960 370 960 370 960 370 920 230 640 160 480 85 560 95 480 60 Standard Depth of Cut a p 1.5DC a e Below 0.02DC

I 38

Made with FlippingBook flipbook maker