Product Name: Battery Winder Semi-Automatic 18650 Cemented RF30 Tungsten Carbide Electrode import Winding Core Needles Model NO.: customizable Concentricity: 0.01mm Cylindricity: 0.01mm Straightness: 0.01mm Materia: Carbide+SKD61 Lead Time: 10-12 Days Stitching Method: Welding Trademark: JCX Transport Package: PP Boxes Specification: Customizable Origin: China HS Code: 8479909010 Product Description Our company has CNC machining centers, CNC lathes, molding machines, precision injection molding machine, engraving machine, ultrasonic welding, surface roughness tester, projector, surface hardness, and other detection equipment, product quality control PEEK parts provide a reliable guarantee. Equipped with laser marking machine, according to customer requirements of your company name, logo, free marked on parts,such as text or graphics.Winding Core use ultra fine grained tungsten steel, with high-strength, high-hardness, high-wear resistance.Use professional grinding machine technology, effective control of flatness, smoothness. So that the knife with the effect of better, sharper. Effective solution to the problem of burr, to extend the life of the cutter.Surface coating can be further enhanced wear resistance, such as Nano coating ,Teflon coating etc.-Teflon coating--Anti-corrosion, anti-stick to reduce the surface roughness.-Nano coating -- strong wear resistance, corrosion resistance, reduce the friction coefficient, anti-sticky