tube technologies has a broad range of down hole mining tools. We produce tools for the Blast Hole, Underground, and Exploration markets.     Our standard product size range is from 2 3/8" O.D. - 10 3/4" O.D. and .188" wall - 1" wall.     We also provide a full line of accessories listed below:   Drill Pipe Fabricated Integral Subs Spindle Subs Bit Subs Stabilizers Smooth Over-Hammer Straight Ribbed Spiral Ribbed Bits