SMD series Tricone rock bitTurbo drills are widely used in Russia and this requires the bit be suitable for high RPM. Rotary speed of the turbo drills normally used with 11 5/8
HF series Roller cone bitHRFighter is a series of good bit for hard & abrasive formations. Effective cutting structure is designed based on dull bit analysis & resear
HA series Insert Tricone rock bitMain structure features 1. Journal bearing. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated.
HA series Steel tooth Tricone rock bitMain structure features 1. Journal bearing. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated.
PDC matrix bit1) Optimally designed bit profile for drilling soft to medium formations. 2) Cutting structure is force balanced and bit blade is asymmetrically desi
MD series Tricone rock bitMotorDigger bits are suitable for downhole power drilling tools or deep well drilling with high temperature. This bit uses highly reliable bearing an
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