S-90580A315 1/2"-13 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution with extra wide profile for superior grip and reduced surface pressure in demanding applications
• Reliable coarse thread engagement with UNC 1/2"-13 specification for quick assembly and vibration resistance in industrial environments
• Certified material strength through ASTM A563 Grade C steel construction ensuring consistent performance under high stress conditions
• Precision thread compatibility with Class 2B fit guaranteeing smooth mating with Class 2A bolts and minimal cross-threading risks
• Durable external hex drive design allowing high torque application with standard wrenches for secure fastening
• Environmental compliance assurance with RoHS 3 and REACH adherence for safe use in regulated industries
• Optimized dimensional stability with 7/8" width and 31/64" height providing consistent performance across batch productions

Professional Applications & Engineering Value

This heavy-duty hex nut delivers exceptional engineering value through its ASTM A563 Grade C steel composition and extra wide profile, specifically engineered to address common industrial fastening challenges. The UNC coarse thread configuration with 1/2"-13 spacing provides rapid installation and superior resistance to vibrational loosening in heavy machinery, structural assemblies, and equipment manufacturing. The external hex drive design accommodates high torque requirements while the Class 2B thread fit ensures compatibility with standard bolts, reducing assembly time and preventing thread damage. Ideal for construction, automotive, and industrial maintenance applications where reliable fastening solutions must withstand extreme mechanical stresses and environmental factors.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 7/8" width and 31/64" height, this hex nut maintains Class 2B thread fit tolerances per UNC specifications. The fastener complies with ASTM A563 manufacturing standards for Grade C strength classification and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, ensuring regulatory compliance for international industrial applications. The inch system measurement and right-hand thread direction provide compatibility with standard North American fastener systems.