Welcome to Drill Masters Eldorado Tool

DME Tool is one of the largest suppliers and manufacturers of deep hole gun drilling tools, fixtures, and accessories in the world. Our combined experience and resources offer the widest selection of in-stock deep hole gundrills and the greatest range of products, services, and experience proudly made and based in the United States.

Add our rapid delivery and expanded customer service facilities, and it’s apparent why we’re the leader in gundrilling for parts, service, and innovative assistance.

The DME Tool Bottomline!


We stock over 800 sizes and lengths in number, letter, metric, and fraction sizes which are all available for next day shipping.

Our 24 hour delivery of stock gundrills provide the flexibility for job shops and mold shops to respond to their customers’ hole needs, therefore providing faster service and a more competitive edge.

Our expedited delivery program enables customers to purchase special diameters and lengths outside of the realm of stock standards.