Roller Bits
Engineered for durability and precision—delivering superior drilling performance in the toughest rock formations.
Type: Roller Bits
Raw Materials: Tungsten carbide: 42CrMo
Model: 42J14CH, 42Z14CX, 55J14QH, 55Z14QX, etc…
Size: 5 1/2’’, 5 7/8’’, 6 1/2’’, 8 1/2’’, 12 1/4’’, 12 1/2’’, 17 1/2’’…
Applicable Formation: Suitable for 80-200Mpa hardness rock coring of foundation piles. For example: Chlorite, mica, phyllite, schist, quartz sandstone, siliceous limestone, weak weathering granite, quartzite, basalt, conglomerate, etc
Roller bits are essential drilling tools designed for efficient rock cutting in foundation piling, mining, and tunneling applications. Engineered for durability and high performance, they are equipped with rotating cones fitted with tungsten carbide inserts or steel teeth to crush and break hard rock formations.
These bits are widely used in rotary drilling rigs, core barrels, and augers, ensuring smooth and efficient excavation in demanding ground conditions. Choosing the right roller bit based on soil and rock hardness is crucial for maximizing drilling efficiency and tool lifespan. Siderwin offers expert guidance to help you select the optimal solution for your project needs.
Advantages
55pcs Conical-ball carbide bits.
Diameter of carbide bit:14mm.
Full cover with carbide cones.
High working efficiency.
Bearing encapsulation hole is bolted encapsulation,even if the solder joint is worn off, the cir clip spring in the bearing will not be broken and will not affect the bearing, can continue to use after spot welding.
The problem of oil leakage from oil sac end hole was solved.
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We’re happy to assist you in finding the best product for your application
+86-15388967455
+86-15388967455
