
Extension Spring Compression Spring Steel Wire Extension Torsion Coil Compression Spring. Customizable Dimensions: Wire diameter ranges from 0.1mm to 20mm based on customer drawings. Wide Material Selection: Available in Carbon steel, Stainless steel, Music wire, Alloy steel, and Inconel. Diverse Surface Treatments: Options include Zinc plating, Nickel plating, Powder coating, and Rust-preventative oil. OEM/ODM Services Accepted: Full customization support with drawing formats in PDF, DWG, IGS, and STEP. High Precision Tolerance: Manufacturing tolerance maintained at 0.01mm for quality assurance. Low Minimum Order Quantity: Accepts orders starting from 1 piece for both samples and production. Fast Sample Delivery: Sample production completed within 3 to 7 days after order confirmation. Global Shipment Options: Flexible delivery via sea, air, and major express carriers like UPS and FedEx.