Place of Origin : Wuxi,China
Delivery Time : Based On Detailed Order
Drill Rig Parts , Alloy Steel Drill String Cross-Over Sub / Sub Adapter
The drilling subs are used to connect and switch in drills. They are important wireline core drilling parts in everyday drilling. We use heat treatment and hardening treatment on the thread surface to prolong their use of time. Our products use the international standard material. Custom sizes are always available.
Drill rig parts Subs
Sub acts for conversion and connection and is the basi