T38 T45 T51 boring bit

button type:

A.spherical button:

universal button,wearing resistance good,best suit to hard ground,180-320MPa,abrasive to very abrasive.

B.hemispherical button:

universal button,wearing resistance good,best suit to hard ground,170-300MPa,abrasive to very abrasive.

C.parabolica button:

universal button,fast penetration,best suit to medium to hard rock,100-170MPa,midly abrasive ground.

nical button:

fast penetration,best suited for smaller diameter bits,suited for all non-abrasive ground types.

E.ballistic button:

fast penetration,be suited to soft rock,70-140MPa,non abrasive ground.

Thread Button Bit
Thread button bit (33mm, 35mm, 45mm, 51mm, 57mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm, 127mm and so on.

R25--38mm, R25--41mm, R28--38mm, R28--41mm

R32; R32--45mm, R32--76mm, R32--89mm, R32--102mm

T38; T38--64mm, T38--76mm, T38--89mm, T38mm--102mm

T45; T45-70mm,T45-76mm,T45--89mm, T45--102mm

T51; T51--89mm, T51--115mm,  T51--127mm

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we also have extension rod,MF drill rod,coupling,shank adapters.