Specifications: Material: Metal alloy. Overall length: 83mm. Useful deep: about 58mm. Hole Saw Diameters: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm. Shank Diameter: 6mm - 5mm; 8-10mm - 7mm; 12-100mm - 10mm. 100% brand new and high quality. Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip Easily. Mainly used for drilling marble, tile, limestone, Vitrified brick, concrete, slate mable, stone processing, granite light stone and other hard material. Triangular shank design is suitable for hand electric drills and bench drills. Note: 1. Clean the surface and please make sure that water or coolant must be added to keep wet during drilling. 2. Start drilling with a 45 degrees angle to the surface slowly. 3. Drill at low speed and adjust the drilling angle to vertical position when the hole appears, and dry drilling is strictly prohibited. Package Included: 1 x Hole Saw.
