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TEI Rock Drills, Inc manufactures the construction industry’s leading excavator rock drill attachments and Limited Access Drills.TEI is an industry-leading manufacturer of high performance excavator drill attachments, drill components and limited access rock drill rigs. Our unique drilling platform incorporates innovative TEI drilling technology with the construction industry’s most rugged soil and rock drilling components. TEI rock drills are hard at work in soil nailing, micropile, mining and tunneling jobsites worldwide.

Our excavator drill attachment is the most versatile soil and rock drill platform available for ground improvement, earth retention, quarries, mines and other geotechnical applications. The patented TEI system combines either a hydraulic drifter or rotary head with an advanced feed system that produces unequaled drill power from our tough lightweight drill platform.

TEI provides extraordinary customer support and maintains an extensive catalog of new equipment and replacement parts. The acclaimed TEI Hollow Bar Installation School, nationwide seminar and online drilling resources are available to drilling and engineering professionals worldwide.


TEI drilling equipment is the contractor’s first choice for soil nailing and micropile projects. Our excavator drill attachments, rock drill components and limited access drill rigs are preferred by the construction industry for the most rugged soil and rock drilling conditions.

The installation of solid and hollow bar soil nailS provides stabilization for a myriad of earth retention problems. TEI Drill platform is engineered to provide performance and installation efficiencies while improving the targeted formations integrity to reduce the project schedule and cost.


TEI Rock Drills, Inc. sustains an ongoing commitment to the highest quality in product development, equipment manufacturing and customer support. Our ISO 9001:2015 Certification is more than just a declaration of this quality. It also represents of our team’s determination to be the worldwide leader in rock drilling platforms.

Every American-Made TEI product is engineered to the exacting specifications and tolerances necessary to operate at the highest performance levels. This extraordinary drilling power surpasses the limits of typical drilling capabilities.

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