Dimensional Specifications

Set Diameters for Reaming Shells

The term “set diameter” refers to the dimension of the matrix body gauge ring diameter on which synthetic diamonds, thermally stable polycrystalline (TSP) synthetic diamond elements and tungsten-carbide elements have been physically set in order to preserve this critical dimension during drilling.

Click here to view or download the Nominal Set Diameter Tables in .pdf format. (453kb)

Tool sizes that are not listed in our technical literature or special products with non-standard set diameters may be available on request.