Product Description
Specification :4 5/8--36
Use: well drilling ,ore mining ,oil well,water well,explorer well drilliing
Material: High manganese steel
Suitable Formation: soft medium
Guarantee Period: 4 years
The 114-117 bits are used to drill low-compressive strength ,soft formation,wear-resistant hardfacing is used to control tooth wear,on the softest bits type this hardfacing completely covers the bit teeth.
The 124-127 bits are use to drill high-compressive strength ,medium hard formations.
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