SAFE & SECURE SHOPPING. Diamond Core Drill Bit Set Hole Saw for Ceramic Porcelain Diamond Tiel Drill Bit. BGTEC Diamond Core Drill Bit Set Hole Saw Kit Triangle Shank for Ceramic Tile Porcelain. Aluminum Case or Oxford Cloth Bag. Set1–6/6/8/20/25/28/35/45/50/65mm drill bit+2” chamfer bit+6mm hole opener–Aluminum Case. Chamfer bit+6mm hole opener. Drill Bit(Triangle shank). Diameter 6/8/10mm(Grit #50/60), Diameter 20-65mm(Grit #40/45), Total length 65mm, Diamond height 10mm. Diameter 6mm, Segment height 10mm, Workable length 35mm, Total length 77mm. Diameter 20mm; Work length 20mm; Total length 50mm; Grit #80, Bevel degree 56°. Diameter 35mm; Work length 35mm; Total length 65mm; Grit #80, Bevel degree 53°. Diameter 50mm; Work length 43.5mm; Total length 70.5mm; Grit #80, Bevel degree 60°. For Porcelain Tile, Ceramic Tile, Marble, Granite, etc. Dry or wet use. Internal wax cooling: Accelerate heat dissipation and avoid burning. Four U-slots in the top of the drill head, expel debris and heat. Versatility: Driiling & Enlarging & Grinding & Beveling. Vacuum brazing technology: Provides longer working life. Do not use shock mode! It is our vision and mission to provide innovative products that satisfy you with the best service and competitive prices. Our goal is to ensure that you find exactly what you need and that it is easy for you to place your order. Diamond Drilling 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.