Made in America since 1956.

Since 1956, DeHoff has contributed significant advances to deep hole drilling technology, and we have grown to become one of the world’s largest manufacturers of high-performance drilling machines!

DeHoff gun drilling and BTA/STS machines feature a durable, heavy-duty design that delivers unmatched performance. Each machine incorporates a cast iron drill head base with hardened and ground steel box ways, plus hand-scraped and fitted mating components (versus linear guide ways and milled surfaces). This results in superior vibration dampening and extended tool life.



All DeHoff machines are built to order by Kays Engineering in our Marshall, Missouri facility. They feature standard elements, such as high-pressure coolant systems, computer controls, and full machine enclosures, but can also be customized to suit your specific high-volume production application. In addition, we design and manufacture all sub-assemblies in-house to ensure superior machine quality, accuracy, and durability that have lasted for decades.

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