Tricone bits used in mining operations often operate under highly complex and demanding conditions. Their bearing systems are exposed to substantial torque and severe impact loads, as well as environmental challenges such as falling rock debris and elevated temperatures.
Among the critical components, the lug shaft—especially the main shaft of the lug arm—bears the majority of the radial load. To endure such harsh environments, the lug must possess a combination of high surface hardness and wear resistance, along with excellent core toughness. This ensures that under dynamic loading, the surface remains resistant to abrasion and cracking, while the core maintains sufficient impact strength to prevent fatigue fractures or brittle failure.
To meet the stringent requirements of oilfield and mining drilling operations, the steel used for the lug is typically a low-carbon alloy steel with high hardenability and a narrow hardenability band. These material characteristics allow for an optimized heat treatment response, delivering consistent mechanical performance throughout the forging—hard on the surface, tough at the core.
We specialize in the production of high-quality forged lugs for tricone bits, manufactured to customer drawings and technical specifications. All forgings are produced using controlled processes—from billet selection, die forging, and heat treatment, to precision inspection—to ensure mechanical integrity, dimensional accuracy, and long service life in extreme working environments.
One of our key advantages is our strict quality control system throughout the entire production process. From raw material verification to final inspection, every step is monitored and documented to ensure that our products meet or exceed customer expectations. We are committed to helping our customers receive worry-free, high-performance forgings that contribute to the overall reliability of their downhole tools.
If you’re looking for a trusted supplier of custom-forged lug blanks for tricone bits, we would be glad to support your projects with durable, precision-made components and professional service.
Post time: Jun-13-2025
