Sumitomo General Catalog 2025-2026

GSX MILL Ballnose Endmills GSXB 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

Ballnose

Flutes

Coat

Side Milling

Face Milling

R-Grooving

Profiling

Helix Angle

Fig 1

Fig 2

APMX

APMX

θ

RE ±0.01

LF

RE ±0.01

LU

LF

I

θ

DC

10° 15°

< ø2

ø2 or more

Body

Dimensions (inch)

Radius RE 0.0313 0.0469 0.0625 0.0781 0.0938 0.1094 0.1250 0.1407 0.1563 0.1875 0.2188 0.2500 0.2813 0.3125 0.3438 0.3750 0.4375 0.5000

Dia. DC

Cutting Edge Length APMX

Neck Length LU

Overall Length LF

Shank Dia. DMM

Cat. No.

Fig

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

GSXB204 GSXB206 GSXB208 GSXB210 GSXB212 GSXB214 GSXB216 GSXB218 GSXB220 GSXB224 GSXB228 GSXB232 GSXB236 GSXB240 GSXB244 GSXB248 GSXB256 GSXB264 Grade: ACB20

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

0.0625 0.0938 0.1250 0.1563 0.1875 0.2188 0.2500 0.2813 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.6875 0.7500 0.8750 1.0000

0.0938 0.1406 0.1875 0.2344 0.2813 0.3282 0.3750 0.4220 0.4688 0.5625 0.6563 0.7500 0.8438 0.9375 1.0313 1.1250 1.3125 1.5000

0.1331 0.1800

2.000 2.500 2.500 3.000 3.000 3.000 3.000 3.500 3.500 4.000 4.000 4.500 4.500 5.500 5.500 6.000 6.500 7.000

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

-

0.2934

-

0.407

-

0.501

- - - - - - - - - -

Recommended Cutting Conditions 1. If cutting noise and vibration occur, please reduce the cutting conditions accordingly. 2. If the machine cannot achieve the recommended spindle speed, please use the maximum spindle speed available.

Radius Milling

p f

Carbon Steel / Alloy Steel (Below 25HRC)

Carbon Steel / Alloy Steel (Below 50HRC)

Cast Iron Special Cast Iron

Stainless Steel Titanium Alloy

Work Material

Cutting Conditions RE (inch)

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 )

50,000 50,000 50,000 35,000 27,500 22,500 19,000 17,000 15,500 14,000 12,500 11,000 9,000 7,500 6,400 5,600 5,000 4,500

2,100 2,500 3,000 3,000 3,000 3,000 3,000 3,800 4,300 4,700 4,200 3,500 2,800 2,400 2,100 1,800 1,600 1,450

35,000 35,000 35,000 24,000 19,000 15,500 13,000 12,000 11,000 10,500 9,000 7,900 6,300 5,200 4,500 3,900 3,500 3,100

1,150 1,350 1,600 1,650 1,700 1,700 1,700 2,100 2,200 2,500 2,100 1,900 1,500 1,250 1,100

50,000 50,000 50,000 35,000 35,000 28,000 24,000 20,000 18,000 16,500 14,000 12,500 10,500 8,700 7,400 6,500 5,800 5,200

2,100 2,500 3,000 3,200 3,900 3,900 3,900 4,100 4,600 5,300 4,500 4,000 3,300 2,800 2,400 2,100 1,900 1,700

50,000 50,000 50,000 34,000 26,000 21,000 17,500 15,000 12,000 10,500 9,000 7,800 6,300 5,200 4,500 3,900 3,500 3,150

1,750 2,100 2,500 2,500 2,500 2,500 2,500 2,700 2,500 2,500 2,200 1,900 1,500 1,250 1,100

0.0313 0.0469 0.0625 0.0781 0.0938 0.1094 0.1250 0.1407 0.1563 0.1875 0.2188 0.2500 0.2813 0.3125 0.3438 0.3750 0.4375 0.5000

950 850 750

950 850 750

a p p f

0.02DC 0.05DC

0.02DC 0.05DC

0.02DC 0.05DC

0.02DC 0.05DC

Standard Depth of Cut

I 27

Made with FlippingBook flipbook maker