PWC63165 is a precision aerospace fastener compliant with AS9100D quality standards and FAA/EASA aviation regulations, dedicated to critical connections of aircraft engine and airframe components.It is a high-strength corrosion-resistant aviation bolt, mainly used for fastening engine accessory casings, hydraulic pipeline brackets and airframe structural joints during MRO assembly. It boasts high tensile strength and excellent anti-loosening performance, resisting extreme vibration, high temperature and chemical erosion to avoid loosening under harsh flight conditions.Made of premium aviation-grade alloy steel, it works stably at -55℃ to 280℃, featuring high strength and lightweight to reduce structural load. With precise thread tolerance for tight fit, it is a critical fastener ensuring structural integrity of aircraft key parts and overall flight safety.