A round or kidney oil hole is Sterling Gun Drills standard, and are available from stock in diameters from .1250" to .3020".
A round oil hole is standard from .3030" to 1.500". Twin hole, special carbide, or other variations of similar construction
are available to order. Hover on the above picture for a larger view.
Gun Reamers
Round tube reamer and custom drill configurations are available upon request. Contact Sterling Gun Drills' technical
department for recommendations on all your precision deep hole requirements.
Solid Carbide Shank and Tip
Very small solid carbide drills require close adherence to all drilling parameters. This single flute design, available from
.053" to .140", offers more strength than standard tubular construction when required for specialized applications.
More information about Gun Drill Styles & their uses?