Center drill bits

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 standard.
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.

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

2.Formation: from extremely soft to Medium Hard

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