Description
A crossover/adapter sub is used to crossover or adapt from one connection size to another. They can also be a disposable component used to extend the connection life of a more expensive drill stem member.
Adapters are made with a variety or sizes and thread types.
Davis Machine Shop, Inc.
(405) 756-3055
901 State Highway 76 North
Lindsay OK 73052
Fax: (405)756-2710