Descripción
The new underground head assembly featuring patent-pending Roller Latch™ technology allows for greater pump-in speed and productivity while utilizing large ball bearings for latching and hold-back braking to retain inner-tube assemblies in the drill string for dramatically safer operations.
La información es válida: 16.10.2011
Más detalles
Precio increíble de Roller latch en Santiago (Chile) de la empresa Boart longyear, Empresa.