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Tricone Drill Bits for Hard Rock Drilling

Tricone Drill Bits for Hard Rock Drilling
lock the cone. Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and ...

Kimdrill Interlocking Kelly Bar for Rotary Drilling Rig

Kimdrill Interlocking Kelly Bar for Rotary Drilling Rig
Kimdrill Interlocking Kelly bars are used with drilling rigs for drilling in dense sand and gravel and weak to strong rock. The Interlocking Kelly bars can be fully locked by mechanical locking ...
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