Sumitomo General Catalog 2025-2026

GSX MILL 4 Flute Endmills Sharp Edge GSX 40000S-2D 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

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

Body

Dimensions ( mm )

Dia. DC

Cutting Edge Length APMX

Neck Length LU

Overall Length LF

Shank Dia. DMM

Cat. No.

Fig

GSX40100S-2D

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

2.5 2.5 3.8 5.0 5.0 6.3

3.5 3.5 4.8 6.0 6.0

40 38 40 40 38 40 45 38 45 45 45 50 50 50 50 60 60 60 60 70 70 70 70 75 75 75 75 90 90 90 90 90

4 3 4 4 3 4 6 3 6 6 4 6 6 6 6 8 8 8 8

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

GSX40100S-2D-S3 

GSX40150S-2D GSX40200S-2D GSX40250S-2D GSX40300S-2D GSX40350S-2D GSX40400S-2D GSX40450S-2D GSX40500S-2D GSX40550S-2D GSX40600S-2D GSX40650S-2D GSX40700S-2D GSX40750S-2D GSX40800S-2D GSX40850S-2D GSX40900S-2D GSX40950S-2D GSX41000S-2D GSX41050S-2D GSX41100S-2D GSX41150S-2D GSX41200S-2D GSX41300S-2D GSX41350S-2D GSX41400S-2D GSX41500S-2D GSX41600S-2D GSX41700S-2D GSX41800S-2D GSX41900S-2D GSX42000S-2D GSX42200S-2D GSX42400S-2D GSX42500S-2D

 

GSX40200S-2D-S3 

7.3

 

7.5 7.5

9.0

GSX40300S-2D-S3 

-

8.8 11.0 11.0 11.3 13.0 13.0 13.0 13.0 16.0 16.0 19.0 19.0 19.0 19.0 22.0 22.0 22.0 23.0 26.0 26.0 27.0 28.0 30.0 32.0 35.0 40.0 40.0 40.0 44.0 48.0 50.0

10.0 14.0

 

GSX40400S-2D-S4 

-

12.8 19.6 19.6

                           

-

19.6 21.1 21.1

7.0 7.5

8.0 8.5 9.0 9.5

-

24.1 24.1 24.1

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

10.0 10.5 11.0 11.5 12.0 13.0 13.5 14.0 15.0 16.0 17.0 18.0 19.0 20.0 22.0 24.0 25.0

-

24.5 24.5 25.5

-

29.5 30.5 31.5 33.5

-

39.5 44.5 44.5

100 100 100 100 110 120 120

-

49.0 53.0

-

Grade: ACF20

Endmill Identification (GSXMILL Series Only) Series Code GSX 4 0100 S - 2D - S3 Dia. Shank Dia.

Number of Teeth

Cutting Edge Cutting Edge Length S: Sharp Edge

I 62

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