Masonry Drill Bits Set 6/6/6/6/6/6/8/8/10/10mm & Tile Hole Saw Kit 12pcs with Shank

QUEFORET Diamond Drill Bits Set 12pcs - 11pcs 6/8/10/20/25/28/32/35/45/50/65mm Dry Hole Saw, 1pc 6mm Carbide Drill for Ceramic Porcelain Tile Marble Granite, Triangle Shank QUEFORET Masonry Drill Bits Set 10pcs - 6/6/6/6/6/6/8/8/10/10mm Carbide Drill Bits for Wood Plastic Masonry Concrete, Wet Drilling Ceramic Tile Marble, Quick Change Hex Shank

• Masonry Drill Bits: 10pcs. Diameter: 6pcs 1/4”, 2pcs 5/16”, 2pcs 3/8”(6/6/6/6/6/6/8/8/10/10mm). Connection: quick change hex shank. Shank diameter: 6.3mm
• Tile Hole Saw Kit: 12pcs. Connection: triangle shank. 11pcs Diamond bits: 1/4”, 5/16”, 3/8”, 4/5”, 1”, 1-1/8”, 1-1/4”, 1-3/8”,1-3/4”, 2”, 2-1/2” (6/8/10/20/25/28/32/35/45/50/65mm), Diameter of shank: 10mm; Carbide bit: 1/4”(6mm), Diameter of shank: 5mm
• Masonry Drill Bits: For drilling and positioning. Suitable for wood (without nails), plastic, masonry, concrete, etc. Water is a MUST when drilling ceramic tile and marble (10 holes at most for them). Failure to add water will shorten its lifetime severely
• Tile Hole Saw Kit: Suitable for ceramic porcelain tile, marble and granite, etc. The carbide bit can work as a positioner before drilling and drill holes
• Attention : Suitable for hand drills, including corded drills and cordless drills. Higher speed is beneficial to longer lifetime. Impact pattern of the machines is NOT supported