6/12mm Vacuum brazed diamond CNC engraving bits for stone carving, router bits , Spec: -Total length 60mm -workable length 12mm -diameter 6mm -ball-end -shank 6mm Feature: 1. End milling, carving, line engraving, polishing, slotting, hollow-cutting, 3D embossment, cutting, flat processing ect. 2. Suitable for hard granite, stone, marble, glass,ceramic tile, brick... 3. Speical diamond brazed technology provide 5-10times life than elctroplated diamond burrs, and higher efficiency than sintered bits. Can bear big load of grinding, good durability ============================================================= Kita menggunakan manajemen produk selama iklan masih ada stok masih ada Pengiriman 2 kali pengiriman pagi jam 12 dan sore jam 4 Pengiriman Senin Sampai Sabtu, hari minggu ada pengiriman max jam 9 pagi, input resi tetap senin Jika kurang jelas dapat menghubungi kami via wa ke nomer yang tertera di toko =============================================================