Century Drill And Tool 7/16″ SDS Plus 2-Cutter Sonic Drill Bit Bernzomatic A great choice for lightweight

A great choice for lightweight durability and chemi resistance

An economical alternative to replacing the entire flush valve

Integrated photocontrol and dusk-to-dawn operation

while a spring steel backing edge helps prevent breakingPrecision set teeth enable fast

For use on interior doors 1-3/8 to 1-3/4-inch thick

Century Drill And Tool 7/16″ SDS Plus 2-Cutter Sonic Drill Bit Bernzomatic A great choice for lightweightHeavy duty grade carbide tip for hardness and durability High temp copper brazing reduces the risk of losing carbide tip during difficult drilling applications Heat treated body to assure stability and uniformity from tip to shank Cutting Length 10 Overall Length 12