4 Pcs Dry Diamond Drill Bits Set, 9/16"(14mm) Diamond Hole Saw Core Drill Bit, Round Shank Tile Drill Bits Ceramic Drill Bits for Porcelain, Granite, Glass, Marble, Stone, Not for Wood (14mm)

4 Pcs Dry Diamond Drill Bits Set, 9/16"(14mm) Diamond Hole Saw Core Drill Bit, Round Shank Tile Drill Bits Ceramic Drill Bits for Porcelain, Granite, Glass, Marble, Stone, Not for Wood (14mm)  About Dry Diamond Drill Bits Set Color: Black Size: 9/16"(14mm) Function: Fast dry drilling holes  Packaging Content: 4 x Diamond Drill Bit

• Package Includes: 4 x diamond drill bits suitable for fast dry drilling holes, used for drilling holes with a diameter of 9/16"(14mm).
• Easy to Use: First make a cut at a 45 degree angle, then slowly drill vertically. By shaking the drill bit, the chip removal speed can be accelerated, thereby improving the drilling speed.
• Diamond Coating: The surface of the tile drill bit cutting edge is coated with diamond sand coating, which provides high drilling sharpness. The drill bit adopts a round handle design, which is suitable for most machines such as hand drills, bench drills, and angle grinders.
• Widely Used: Diamond hole saws are suitable for glass, tiles, marble, ceramics, granite, jade, etc., but cannot be used for walls, metals, wood, concrete, etc.
• 24-Hour Service for You: If you have any other questions, please feel free to consult and we are happy to assist you.