
Bolt Fastener A320 L7 L43 Blue PTFE Coating Thread Xylane Stud Bolt with Heavy Hex Nuts. Full Customization Support: Customized support available for length, surface treatment, and OEM/ODM services. Wide Material Grade Range: Offers ASTM A193 (B7, B7M, B16, etc.) and A320 (L7, L43, etc.) grades for various temperatures. Diverse Surface Treatments: Available finishes include Black Xylan, Zinc, HDG, PTFE, and Plain options. Extensive Length Options: Customizable lengths ranging from 10mm to 3000mm to meet specific project needs. Fast Delivery Time: Standard delivery time is 5 to 15 days for most orders. High Inventory Availability: Maintains over 100 tons of spot inventory for immediate shipment. ISO Certified Quality: Manufacturing process certified under ISO standards with 100% finished product inspection. Multi-Industry Application: Products widely used in Oil & Gas, Petrochemical, Power, Offshore, and Nuclear engineering.