Masonry Drill Bits for Concrete Block?
I don't have any long Masonry bits that I know of... could I use a long Slotted wood bit to make the hole bigger or would that be a waste of time? Long masonry bits look quite expensive and I'm assuming I need something about 12" long to make it through cement block and brickwork.
Any cheap way to make this hole bigger without ruining something?
I have existing wood/steel and Spade wood bits like this: