Ohio Power Tool offers a vast assortment of drill bits, reamers and burrs.  Make sure to check out Bosch's Daredevil Spade Bits if you haven't already.  The Daredevil Spade Bits have a fully cone threaded tip, requiring less pressure when drilling and making the job smoother - especially convenient for overhead applications and the like.  The patented spur and reamer design also allows for a cleaner entry and exit hole.  For any questions about any of our products, call us at 1-800-242-4424.