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China water well drilling rig

ST68

Top hammer drilling tools for bench drilling
Bit Diameter:102mm-127mm
Button bit design:Flat face,drop centre,normal and retrac body .
Tungsten carbide(buttons):Spherical ,ballistic and conical .
Applications : Bench .
We have different designs for various rock formations ,and a long service life to decrease use costs for users .


Dimesions D Flushing hole(mm) buttons(mm) Angle Class Part No. Button bit
mm in Front No. size Gauge No. size Front No. size Gauge No. size
102 4    2*14 2*10 6*12 8*14 35° H F30102ST6814
115 4 1/2 3*13 - 7*14 9*16 35° H F30115ST68F16
127 5    3*14 - 10*14 9*16 35° H F30127ST68F19
115 4 1/2 3*13 2*9 6*14 9*16 35° H F30115ST6815DR
127 5    3*14 2*9 9*14 9*16 35° H F30127ST6818DR
115 4 1/2 3*13 - 6*14 9*16 35° H F30115ST6815R
127 5    3*14 - 10*14 9*16 35° H F3012ST6819R

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