SAFE & SECURE SHOPPING. Diamond Drill Bit Set Hole Saw Set Porcelain Ceramic Tile Diamond Core Drill Bit. BGTEC Diamond Drilling Bits Set Finger Bit Chamfer Bit Hole Saw Kit. Diamond Drill Bit: Dia 6/8/10mm, Total length 60mm, Diamond height 10mm. Dia 20/25/28/32/35/40/45/50/68mm, Total length 60mm, Diamond height 15mm. Diamond Finger Bit: Dia 20/25mm, Workable Length 50mm, Total length 65mm. Diamond Chamfer: Diameter 50mm, Workable Length 46mm, Total length 55mm, Top angle 60°, Grit #80. Hex Adapter: Total length 53mm, Shank Length 28mm. SDS Adapter: Total length 72mm, Shank Length 45mm. Box Size: 22x15x7.9CM. M14 Drill bits: Dry or wet drilling for Ceramic Tile, Porcelain Tile, Granite, Marble, Artificial Stone, Quartz and so on. Finger Bit/ Chamfer Bit: Enlarge/ shape round or beveling existing holes and grinding edges in Porcelain, Hard Ceramic, marble and granite. M14 thread core bits can be fitted on hand drill or electric drill. Drilling+Milling+Adapter Kit, meet different working needs. Fine diamond coated, working faster and smoother. Vacuum brazed technology, provides better endurance. Adapter: Good quality steel, long life, and Surface Nickel plating. With suitcase box, easy to store, portable and economical. Our goal is to provide buyers with the best price and the best quality products. Diamond Drill Bit/ Diamond Saw Blade/ Diamond Milling Bit/ Diamond Finger Bit/ Diamond Grinding Wheel/ Diamond Polishing Pad/ Other Accessory. We will track the logistics information for you and reply you in time, hope to make you have a satisfactory shopping experience. If you need to return an item, please check it twice to make sure the item is not working properly. Please make sure the item has no human damage. Used items will not be accepted for return.