Amazon.com: Bosch Professional 2608594259 Pilot Drill Bit Plus HSS-G (Socket 3/8 Inch Hexagonal Shank, 7.15 x 105 mm, Hole Saw Accessories) : Tools & Home Improvement
Bosch HSSG Imperial Metal Drill Bit Ground-5/16" INCH OR 7.94mm 2608588243-879 3165140693783 | eBay