Standard Carbide Grade

Mitsubishi carbide grade

Suitable tools

Rock hardness

Uniaxial compressive strength of rock [MPa]

MG10

Threaded button bit

Extremely hard

200 -

MG20

Threaded button bit, Tapered button bit, DTH bit

Medium-hard to Hard

100 - 200

MG25

Threaded button bit, Tapered button bit

Medium-hard

80 - 150

MG30

Tapered button bit, Threaded cross bit

Medium-hard

80 - 120

MG40

Threaded cross bit

Soft to Medium-hard

- 100

Mitsubishi Thread Compatibility 

Thread form

Thread type

Mitsubishi thread

Rope thread

R25

R25

R28

R28

R32

R32

R35

R35

R38

R38

T thread

(M thread)

T38

M38

T45

M45

T51

M51

ST thread

(WD thread)

ST58

WD58

ST68

WD68

Anti fracture

Wear resistance

MG10

MG20

MG25

MG30

MG40

PRODUCT GUIDE  

13

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 Carbide grade "M2" is equivalent to "MG25"

Bits application guide

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