Drag Bits

Tungsten Carbide Inserts are designed in various sizes, shapes, and hardness grades, to suit the particular characteristics of the formations to be drilled.

Thompson International, Inc. manufactures quality drag bits ranging in size from 1-7/8 diameter and up. Available in both Step and Chevron configurations and in 3 and 4-way blade design. Various pin sizes are available to fit your drilling needs. Both 1/8 and 3/16 carbide depths are utilized in various sizes. Only the highest quality 4140 alloy steel is used for forging material. Bits are offered in both a one piece bit or interchangeable blades. These bits are designed to be used in soft drilling material with compressive strengths of 2,000 PSI and under.