Threaded blade bits


 
 

Threaded blade bits are divided into threaded cross bits and threaded X-type bits, which connect with drill rods by threads to transfer impact power and rotation torque for breaking rocks. The threaded bladed bits, working with hydraulic drill rigs and hydraulic rock drills, have main threads of R25，R28，R3212，R38，T38，T45 and T51, which are widely used in surface mining, underground mining, tunneling, bolting, furnace tapping, tunnel construction, hydropower projects, quarrying and construction.

Threaded blade bits
TypeCross bit，X-type bit
Thread　　R23　R25　TR28　R28　R3212　R32　R38　T38　T45　T51
Diameter　　33mm-127mm
SkirtStrengthening skirt, Standard skirt
MaterialStrengthening skirt, Standard skirt

    

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