Bosch HCBG700 7-Piece Blue Granite Hammer Drill Masonry Bit Set. 4.2 out of 5 stars 129. $27.56 $ 27. 56 ($0.86/oz) $37.92 $37.92. Get it as soon as Tue, Jul 21. FREE Shipping by Amazon. THINKWORK Diamond Drill Bits, Hollow Drill Hole Saw Set, 10-Piece Tile Opener with Hole Saw Guidance Fixture, Suitable for Ceramic, Glass, Tile, Porcelain, Marble.