We buy and sell a variety of new and used Tri-Cone Rock Bits in a wide range of sizes ranging from 2 15/16 inches up to 36 inches. We also buy and sell PDC Bits of all types and sizes.

We BUY and Sell a wide range of sizes of NEW & USED Hole openers in a variety of types and styles including Security Style, Varel Style, and Split-Bit Hole Openers. Cutter configuration details can be found under the “Hole Opener Cutters Section”.

Big Hole Drilling Tools offers a large selection of hole opener cutters for our extensive selection of hole openers. Milled tooth and Tungsten Carbide Insert (TCI) sealed bearing cutters are available for Security Type hole openers. Milled Tooth sealed bearing cutters are available for Varel Type hole openers. Split-bit hole openers are constructed from the bit thirds of tri-cone bits and can be manufactured to fill a variety of applications.

Big Hole Drilling Tools buys and repairs used under reamer arms.