H.D.H. Instruments is a family owned and operated company specializing in deep hole drilling, honing and machining of precision tubes. Established in 1978, H.D.H. Instruments has built a reputation for high quality, and on time delivery.

Located in the Houston area, we provide free pick-up and delivery on a daily basis. In addition, we offer 24-hour service, as well as weekends or holidays as required. We look forward to earning your business.