
Versatile Carriage Bolts for Custom Length and Finish. Customized Production: Supports customized fasteners based on drawings, samples, or technical requirements. Wide Material Range: Offers stainless steel, carbon steel, alloy steel, aluminum, copper, and special alloys. Multiple Surface Treatments: Provides zinc plating, HDG, black oxide, phosphate, and other customized finishes. Comprehensive Quality Control: Systematic QC from raw material inspection to final shipment with traceability. Complete Set Supply: Supplies fasteners as complete sets including nuts and washers for assembly. Free Sample Service: Provides samples for standard items and customized production upon request. Flexible Packaging: Offers cartons, wooden cases, pallets, and customized packaging solutions. Global Logistics Support: Supports sea, air, and express delivery with various shipping terms.