3/32" x 12" HSS Extra Long Drill Bit BoltsandNuts.com but the interior well also

but the interior well also extends far into the socket

Part Number KFDRSD1-5/16

and a pilot that is interchangable

Part Number: BIT-SDS7166

3/32" x 12" HSS Extra Long Drill Bit BoltsandNuts.com but the interior well alsoProduct Description Extra length dills are for general purpose drilling in applications where extra length is required for reach. They are designed to perform in a broad range of mateirals in the iron and steel families. These general purpose high speed steel drill bits are ideal for production, maintenance or portable drilling jobs. They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood. They are made