Core Drilling Tolols BWL NWL HWL PWL   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.

          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 basic component in downhole work. It is  divided into drill string cross-over sub and tubing Cross-over sub.

       Drill string Cross-over sub is divided into type A, type B and type C.And we can desgin and manufacture special types of subs to satisfy clients’ ideas or drawings .

      Also Sub adapter are made of high quality alloy steel. Connections can be made as per client's request. 

Specifications

1).API STANDARD

2).SAFE,RELIABLE AND EFFICIENT

3).DELIVERY ON TIME.

4).COMPETITIVE PRICE

ALL DEPENDS ON ENOUGH CREDIBILITY.

Size (mm)

S75/65 SA75/65 S95/65 SA95/65 S96/65
73/57 89/57 108/57 127/57
146/57 73/65 89/65 108/65
127/65 146/65 168/65 89/75

Subs with foreign standard sizes are all available on request