12 1/4" IADC537G tricone bit oil well drilling for hard
Size of Rock Bit
12 1/4 inches
6 5/8 API reg pin
WOB(Weight On Bit)
Soft to medium formation with low compressive strength ,such as medium soft shale,medium softlimestone,medium soft sandstone,medium formation.
Hejian Hengji Bit Manufacture Co.,LTD was established in 1990. we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
We ship to more than 60different countries and serve industries such as Oil & Gas, water well , Construction,Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.