There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7, with the certificate of authority to use the official API monogram.
There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.
The surfaces of main or key parts are hardfaced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.
Center nozzle is equipped for bits of larger sizes.

Specifications of Roller Bit (Tricone Bit)

Diamond Drill Bits of synthetic material made of polycrystalline diamond our company sold for the use of oilfield drilling products are in strict compliance with API SPEC 7 quality standards, and have the certificate of authority to use the official API monogram. All of the products are reliable and superior in performance, and have been selling well at home and abroad. Various different types of drilling bits can suit for drilling extremely soft to the hardware formations of various types of conventional drilling operations, lateral directional well drilling operations, coring drilling operations. And for users we can provide various types of diamond bits for comprehensive drilling,lateral drilling and whipstocking bits, various reaming bits and coring bits; Meanwhile, we also would like to manufacture different types of drilling bits according to the special requirements of customers.

Nominal diameter(in): 4 ~ 17 1/2

Formation: from extremely soft to Medium Hard

API reg. pin size (in): 2 3/8, 2 7/8 ,3 1/2 ,4 1/2 ,6 5/8.