1/8 Shank Diamond Grinding Burr Drill Bit Ball Shape Diamond Rotary Bit,15pcs 36# Course Burrs Set Mounted Points Bit Universal Fitment Rotary Tool for Stone Carving, DIY,Polishing, Engraving

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About This We have 5 types diameter of Heads: Shank diameter*Ball diameter*Overall length: 3mm*4mm* 45mm; 3mm*6mm*45mm; 3mm*8mm*45mm; 3mm*10mm*45mm; 3mm*12mm*45mm Diamond bit shape : spherical grinding head; Diamond Burr Bit Grit : 36# (Coarse Grit) easy sanding and durable Product material: Diamond coated material: It is made of high grade polygonal diamond, which is mainly used for grinding processing; processing and repairing of moldels and dies; Scope of use: mainly used for moldel processing and repair, stone carving, line cutting, polishing, hollowing, jade carving, etc PACKAGE INCLUDED:15PCS 36# Ball Shape Diamond Burr Bit Show more