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Hex Box To Hex Box


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SUBS, SUBS, SUBS,………those essential parts needed by every driller to connect from one size rod, casing, or bit to another size. We at Diedrich Drill understand the urgency involved when an entire job is stopped for lack of one sub. This is the very reason we stock about 4,000 various sized subs for all types of jobs and drilling requirements.

Our subs are all manufactured with 4140 Alloy Steel and meet all DCDMA specifications. Most subs are heat treated for longer wear. Our most commonly requested subs may be found here on this site, however, there are many other sizes which we stock that are not listed. If you need additional subs or information just call. We probably have it in stock!!!

Additional Information

Hex Box 1

1-1/8, 1-5/8, 2

Hex Box 2