B16 / B19 / B22 Ultra Small Transition Coupling Coal Mine Drill Rod Reducer Adapter
Our compact drill rod transition coupling is built exclusively for coal mine anchor drilling projects, available in B16, B19 and B22 standard sizes.
Entire surface finished with uniform blue anti-rust coating to fight damp, slurry and underground corrosion in harsh mine tunnel environments, greatly extending service lifespan and cutting your replacement cost.
High strength forged alloy steel + precision machined threads guarantee stable locking during high load anchoring drilling, no slipping or decoupling. Ultra small dimension fits cramped narrow mine working space perfectly for drill rod diameter conversion between different anchor rods.
Factory direct supply | Bulk order discount | Custom specification acceptable
Global mining tool distributors mine engineering contractors are welcome to inquire for catalog and factory price.
