Hole-drilling and fastener-driving combination tool

Details Hole-drilling and fastener-driving combination tool Hole-drilling and fastener-driving combination tool

B - Operations, Transporting

65

F

26/100, 81/20, 7

B65F 3/00 (2006.01)

Patent

CA 1148338

Case 3400-00 A HOLE-DRILLING AND FASTENER-DRIVING COMBINATION TOOL ABSTRACT A combination tool capable of drilling a hole in a work- piece, driving a fastener into that hole, and withstanding the vibrational environment of a rotary hammer is provided. An adaptor having a tapered portion which is inserted in the chuck of a power tool, such as a rotary hammer, has a polygonal drive transmitting configuration on its other end. A longitudinal bore extending at least partially along the axis of the adaptor receives a drill bit. The bit and bore have mating external and internal tapers to insure driving engagement. Once the bit has drilled a hole in a workpiece, a drive collar is slipped onto the polygonal drive transmitting portion of the adaptor and the fastener-engag- ing recess thereof used to drive a self-tapping fastener into that hole. -1-

348085

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