
High Quality Hot Sale Stainless Steel 304 Countersunk Head Concave Convex Fish Eye Washers. Diverse Material Options: Available in Stainless Steel 304/316, Carbon Steel, and various grades like 8.8, 10.9, 12.9. OEM and Customization: OEM service available based on drawings or physical samples with flexible customization. Free Sample Availability: Free samples provided; customer covers shipping costs for sample delivery. Comprehensive Quality Testing: 16 testing items including tensile strength, hardness, salt spray, and chemical composition analysis. Experienced Manufacturer: Over 15 years of fastener OEM service experience with advanced R&D equipment. Flexible Packaging: Bulk packaging in master cartons on pallets or customized according to customer requirements. Wide Size Range: Product sizes available from M6 to M100 to meet various application needs. Multiple Payment Terms: Accepts T/T, L/C, and offers 30% deposit with 70% balance before shipment.