Kozelo 20pcs Diamond Grinding Bit - [4mm Dia 120 Grtis] Ball Head Carving Drill Bits Rotary Tool for Carving Polishing Use | 3mm Round Shank

• - Package Contents - Diamond Grinding Bit contains 20pcs of of Ball head bit diameter in 4mm / 0.157", Shank Size: 3mm / 0.12" (D), Total Length: 45mm / 1.8".
• - Material - Designed with a metal shank and diamond-coated grinding head, this grinding bit ensures high working efficiency and good wear resistance. It is sturdy and built to last, providing long-term use and consistent performance.
• - Application - This diamond grinding bit is suitable for sculpting, dressing, precision grinding, and internal grinding carbide in various abrasive materials such as ceramic, glass, precious stone, marble, gems, agate, alloy, hardwood, and more.
• - Easy Installation - The round shank design of the bit allows it to fit most electronic grinders, engraving machines, hanging mills, and hand electric drills. Great for precious stone jade carving, mold repairing, cast cleaning, rust polishing, and DIY hobbyists.
• - Tips - Please exercise caution when using the diamond grinding bit to prevent flying chips. Safety goggles or protective eyewear should be worn during use to protect your eyes.

Application This diamond grinding bit is suitable for sculpting, dressing, precision grinding, and internal grinding carbide in various abrasive materials such as ceramic, glass, precious stone, alloy, and more. It can be used for polishing and engraving precision sanding, grinding glass, hardwood, marble, stone, ceramics, gems, agate, and even hard metals like iron and silver. About This Product -High working efficiency due to the sturdy metal shank and diamond-coated grinding head. -Perfect for precious stone jade carving, mold repairing, cast cleaning, rust polishing, and DIY hobbyists. -The round shank design of the bit allows it to fit most electronic grinders, engraving machines, hanging mills, and hand electric drills Specification Material: Carbon Steel Granularity: #120 Grits Head Diameter: 4mm / 0.157" Shank Size: 3mm / 0.12" (D) Total Length: 45mm / 1.8" Tips -Please exercise caution when using the diamond grinding bit to prevent flying chips. -Safety goggles or protective eyewear should be worn during use to protect your eyes.