...Cross Over Subs (crossover subs) is a type of bit sub designed for drilling. It is made of steel, and is widely used in energy & mining industry, especially in drilling equipment. It has a thread surface treatment that involves phosphating and copper plating. Cross Over Subs is a dependable and reliable piece of equipment, making it an ideal choice for drilling. Cross Over Subs...
...Cross Over Subs (crossover subs) is a type of bit sub designed for drilling. It is made of steel, and is widely used in energy & mining industry, especially in drilling equipment. It has a thread surface treatment that involves phosphating and copper plating. Cross Over Subs is a dependable and reliable piece of equipment, making it an ideal choice for drilling. Cross Over Subs... more
...PWL Cross Over Sub Adapter JCDRILL DTH Sub Adapter Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is ...
...PWL Cross Over Sub Adapter JCDRILL DTH Sub Adapter Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is ... more
