6mm 1/4 Diamond Hole Saw Drill Bit Coated Masonry Tools for Rocks...

6mm 1/4" Diamond Hole Saw Drill Bit Coated Masonry Tools for Rocks Stone Glass

• Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks
• Outside Diameter: 6mm(1/4" inch);Internal Diameter: 3.5mm;Shank Diameter: 5.5mm;Drilling Depth: 20mm
• Easy to use, excellent for making clean and accurate hole on stone, granite, marble, tile, rocks
• 5.5mm shank diameter that will fit cordless screwdrivers,drills etc or use in standard drill chuck
• Please add water for coolant and drill slowly; Holes require no ruther work as cutting is clean