Sumitomo General Catalog 2025-2026

GSX MILL Endmills (2 Flutes) GSX 20000C-1.5D Type

Ti Alloy / Heat Resistant Alloy

Tempered Steel / Die Steel

Hardened Steel 45 to 55HRC

Hardened Steel 55 to 60HRC

Stainless Steel

General Steel

Carbon Steel

Alloy Steel

Pre-hardened Steel

Cast Iron

Corner

Flutes

Coat

Side Milling

Slot Milling

Groove Finishing

Face Milling

Helical Milling

Ramping

Helix Angle

Spot Facing

Fig 1

Fig 2

APMX

APMX

15°

LF

LU

LF

DC

Tolerance

I

D ≤ 3.0

0 -0.015 0 -0.020 0 -0.030

3.0 < D ≤ 12

12.0 < D

Body

Dimensions ( mm )

Dia. DC

Cutting Edge Length APMX

Neck Length LU

Overall Length LF

Shank Dia. DMM

Cat. No.

Fig

GSX20050C-1.5D  GSX20100C-1.5D  GSX20150C-1.5D  GSX20200C-1.5D  GSX20250C-1.5D  GSX20300C-1.5D  GSX20350C-1.5D  GSX20400C-1.5D  GSX20450C-1.5D  GSX20500C-1.5D  GSX20550C-1.5D  GSX20600C-1.5D  GSX20650C-1.5D  GSX20700C-1.5D  GSX20750C-1.5D  GSX20800C-1.5D  GSX20850C-1.5D  GSX20900C-1.5D  GSX20950C-1.5D  GSX21000C-1.5D  GSX21050C-1.5D  GSX21100C-1.5D  GSX21150C-1.5D  GSX21200C-1.5D  GSX21300C-1.5D  GSX21400C-1.5D  GSX21500C-1.5D  GSX21600C-1.5D  GSX21700C-1.5D  GSX21800C-1.5D  GSX21900C-1.5D  GSX22000C-1.5D  GSX22500C-1.5D 

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

1.0 1.5 2.3 3.0 3.8 4.5 5.3 6.0 6.8

1.4 2.5 3.3 4.0 4.8 6.0 6.8

40 40 40 40 40 45 45 45 50 50 50 50 60 60 60 60 70 70 70 70 75 75 75 75 90 90 90 90

4 4 4 4 4 6 6 6 6 6 6 6 8 8 8 8

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

7.5

8.3 9.5

7.5

8.3 9.0

10.3

-

10.0 11.0 12.0 12.0 13.0 14.0 15.0 15.0 16.0 17.0 18.0 18.0 20.0 21.0 23.0 24.0 26.0 27.0 29.0 30.0 38.0

12.0 13.0 14.0

7.0 7.5

8.0 8.5 9.0 9.5

-

15.0 16.0 17.0

10 10 10 10 12 12 12 12 16 16 16 16 20 20 20 20 25

10.0 10.5 11.0 11.5 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 25.0

-

18.5 19.5 20.5

-

23.5 24.5 26.5

-

30.5 31.5 33.5

100 100 100 100 120

- -

Grade: ACF20

Endmill Identification (GSXMILL Series Only) Series Code GSX 2 1000 C - 1.5D Dia.

Number of Teeth

Cutting Edge Cutting Edge Length C: Gash Land

I 40

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