Sumitomo General Catalog 2025-2026

GSX MILL Endmills (4 Flutes) GSX 40000C-3D 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

Slot Milling

Side Milling

Groove Finishing

Face Milling

Helix Angle

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

GSX40100C-3D  GSX40150C-3D  GSX40200C-3D  GSX40250C-3D  GSX40300C-3D  GSX40350C-3D  GSX40400C-3D  GSX40450C-3D  GSX40500C-3D  GSX40550C-3D  GSX40600C-3D  GSX40650C-3D  GSX40700C-3D  GSX40750C-3D  GSX40800C-3D  GSX40850C-3D  GSX40900C-3D  GSX40950C-3D  GSX41000C-3D  GSX41050C-3D  GSX41100C-3D  GSX41150C-3D  GSX41200C-3D  GSX41300C-3D  GSX41400C-3D  GSX41500C-3D  GSX41600C-3D  GSX41700C-3D  GSX41800C-3D  GSX41900C-3D  GSX42000C-3D  GSX42500C-3D 

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

3.0 4.5 6.0

4.0 5.5

40 40 40 40 50 50 50 50 50 50 50 70 70 70 70 75 75 75 90 90 90 90 90

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

7.0

7.5

8.5

9.0 11.0 12.0 14.0 15.0 17.0 18.0 20.0 21.0 23.0 24.0 26.0 27.0 29.0 30.0 32.0 33.0 35.0 36.0 39.0 42.0 45.0 48.0 51.0 54.0 57.0 60.0 75.0

10.5 12.5 13.5 15.5 17.0 19.0

-

22.0 23.0 25.0

7.0 7.5

8.0 8.5 9.0 9.5

-

28.0 29.0 31.0

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

-

34.5 35.5 37.5

-

42.5 45.5 48.5

100 110 110 110 110 120 120 120 130

-

55.5 58.5 61.5

- -

Grade: ACF20

Endmill Identification (GSXMILL Series Only) Series Code GSX 4 0100 C - 3D Dia.

Number of Teeth

Cutting Edge Cutting Edge Length C: Gash Land

I 68

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