These bits are American made. They have tight bearing and little to no cutting structure repair. Open bearing. 3 1/2" api regular pin. Indicate soft, medium or hard formation.
About Murphys Bits
Since the early 1970’s, Murphy’s Bits has been selling quality drill bits to the oil field, water well, mining and geothermal industries. We started out in a garage and now we are the largest wholesale distributor of quality drill bits in America. We travel to all corners of the globe buying used American made bits that can be refurbished in our facility. Our employees average over 25 years of experience in cutting structure repair. We are proud to have the best retipping in the industry.