CARBIDE BITS  © 2011 Copyright DIAMCO . All Rights Reserved 1.800.746.0258 Shown here is a wide kerf wireline core bit, featuring tungsten carbide inserts in a staggered pattern. These inserts are specifically engineered and manufactured to stringent specifications, with respect to material properties and geometry to our specifications for applications in rock drilling. The tungsten carbide inserts are embedded in a highly abrasion resistant tungsten carbide matrix for extreme abrasion/ hardness situations, such as in soft to medium hard and/ or broken formations.