Xinwoer 30Pcs Grinding Needle Set - 1mm Emery Cylindrical & Flat Head Electric Grinder Accessories for Metal, Wood, Jewelry Polishing and DIY Craft Projects

Specification:Item Type: Grinding Needle Set Material: Diamond Grit Size: 150 (Grit) Shank Diameter: Approx. 3mm / 0.1in) Length: Approx.45mm / 1.8in Grinding Tip Diameter: Approx. 1mm / 0in Package List:1 x 1mm Grinding Needle Set(30Pcs) Note:1. When installing the grinding tip, the clamping clamp must be stable, and there must be no jumping phenomenon! 2. The rotation speed is as high as possible, generally requires a linear speed of not less than 1020 meters seconds! 3. This product is a 3mm handle, please check the clamping range of the machine before buying!

★【High Safety Factor】Strict Quality Control and Quality Assurance, High Safety Factor, Can Be Used with Peace of Mind

【High Hardness】Using Black Nickel Treatment, Greatly Improve the Hardness, Easier to Use

【Application】CNC Milling Adaptor Without Skipping Knife, Suitable for Engraving Machine, Grinding Machine, Etc.

【Durable】The Grinding Needle Has High Strength and High Temperature Resistance, and Will Not Drop Sand

【Small in Size】Small Size, Easy to Carry and Store, Easy to Use and with Good Performance