20pcs Diamond Drill Bits, 5 Different Shapes Shank Diamond Grinding Tool Jewelry Making Beading Hole Enlarger Tools Drill Bit Removes Burrs Shank Diamonds Grinding Tools

20pcs Diamond Drill Bits, 5 Different Shapes Shank Diamond Grinding Tool Jewelry Making Beading Hole Enlarger Tools Drill Bit Removes Burrs Shank Diamonds Grinding Tools

• "【Package includes】Includes 5 different shapes: 1.8mm cone diamond drill bits, 3.0mm cone jewelry drilling tool, 1mm cylinder, 2mm cylinder, and 3mm cylinder, with 4 pieces of each size to meet various drilling needs.
• 【Product size】Shank diameter of 3mm (1/8 inch), grinding head length of 30mm, and total length of 70mm, providing optimal control and accuracy for your projects.
• 【Widely used】Perfect for drilling, enlarging holes, and working with stone, glass, ceramics, jewelry, and other materials, making it versatile for different tasks.
• 【Warm tips】For extended tool life, always use lubricant when working with these diamond-coated tools to minimize wear and ensure optimal results."