Product Description

HJ bits are highly reliable bits suitable for straight hole and directional well drilling applications. In addition to its excellent bearing system, this series bits also have finely designed and selected cutting structures, carbide insert materials and hardfacing materials for steel tooth bits, so that the bits’ ability to drill various complex formations is largely improved and this sufficiently reflected the constant charm of the standard product.
Recommended rotary speed for HJ series bits is **0 to *0rpm, and this series bits are ideal choice for straight hole and directional well drilling applications.