
Rolled Linear Motion Ball Screws with 4mm Lead for Solar Equipment. Wide Material Selection: Available in Aluminum 5052, 5083, 6061, 7075, and Stainless Steel. Precision CNC Machining: High-precision processes including milling, boring, grinding, and drilling. Extensive Surface Treatment: Options include anodizing, powder-coating, plating, and polishing. Global Certification: Certified with ISO9001, CE, RoHS, GS, DIN, GOST, GB, JIS, and ANSI. Customized Service: Full customization available for parts, sizes, and logos based on drawings. Competitive Lead Time: Standard parts 25-35 days, non-standard parts 30-40 days. Flexible Payment Terms: Accepts T/T, PayPal, and Trade Assurance for secure transactions. Free Sample Policy: Free samples available; shipping fee refunded upon order placement.