
Premium Double Coil Spring Lock Washers for Enhanced Fastening. Customized Color Options: Available in Natural Color, Washed, White Washed, and Passivated finishes. OEM & ODM Services: Full customization available based on client drawings and specific requirements. Free Sample Availability: Complimentary samples provided to evaluate craftsmanship and material quality. Wide Material Selection: Stainless Steel (201, 304, 316, 430) and Carbon Steel options available. Multiple Size Standards: Metric (M6) and Inch sizes available, with customized sizes supported. Comprehensive Surface Finishes: Options include Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, and Bluing. Strict Quality Control: 100% inspection steps including raw material and finished product testing. Direct Factory Supply: Integrated R&D and manufacturing ensures competitive pricing and capacity.