
Factory Direct 3mm Diameter Coiled Steel Springs. Customizable Dimensions: Wire range from 0.1mm to 12mm, tailored to specific requirements. RoHS Compliant Coatings: All coating materials meet RoHS standards for environmental safety. Expert Design Support: Engineers provide CAD/3D design assistance and cost-saving advice. Flexible Order Quantities: Supports both small quantity and large run orders based on demand. Sample Fee Refundable: Sample charges are refunded upon placement of a formal order. Fast Delivery for Standard Parts: Delivery within 25 days for springs within our standard mold range. Wide Material Selection: Available in Carbon steel, Stainless steel, Music Wire, and more. Professional Quality Control: 100% inspection with 8 dedicated QA/QC inspectors.