Tricone Rock Roller Bit With Tungsten Carbide Inserts

we are dealing in  tricone rock roller.  tricone rock roller with tungsten carbide inserts is a drill bit with a head that is divided into three main parts. The tricone rock roller consists of three rotating cones working inside each other and each with its own row of cutting teeth.we build drill bits to the highest standards - using raw materials selected for quality and durability, and assembling them with the latest metallurgical technology. Our innovative and unique alloy formulations assure you of maximum penetration under all conditions, and phel can customize drill bits to your specifications for any especially difficult drilling situations.
SWT series steel tooth bit with high efficiency has strong wear resistant teeth and last rop, bit can work more stably, which is more suitable for drilling in soft or middle soft formations.

• The size range of swt series bit is 81/ 2 - 17 112 inch and its iadc code is 117 - 127 (or 115 - 125).
•  Diamond inserts on gage protection area.
• Center nozzle.
• Extended double nozzle.
• Head od protection.