S-97745A150 3/8"-24 x 1 5/8" Hanger Bolts

Key Features & Benefits at a Glance

• Enhanced Installation Control with 360° rotating head and wrench flats for secure, precise fastening in confined spaces
• Superior Corrosion Resistance from black-oxide steel finish, ensuring long-term reliability in demanding environments
• Optimized Thread Engagement with fine UNF 3/8"-24 threading and 1 1/8" minimum thread length for maximum holding strength
• Versatile Spring Compatibility designed specifically for extension spring applications with 0.22" hole diameter
• Streamlined Assembly Process featuring right-hand thread direction and 1/8" hex size for efficient installation
• Environmental Compliance Assurance meeting RoHS 3 and REACH regulations for global market acceptance
• Durable Construction with 1 5/8" overall length providing robust support for heavy-duty applications

Professional Applications & Engineering Value

This black-oxide steel hanger bolt addresses critical challenges in industrial assembly where corrosion resistance and installation efficiency are paramount. The 360° rotating head with wrench flats eliminates binding issues during tightening, while the fine UNF threading (3/8"-24) ensures superior vibration resistance in extension spring applications. The black-oxide surface treatment provides essential protection against environmental degradation, making it ideal for automotive suspensions, agricultural equipment, and furniture manufacturing where consistent performance under stress is required. The combination of 1 1/8" minimum thread length and right-hand thread direction delivers reliable fastening in high-vibration environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with UNF fine thread specifications (3/8"-24) and Class 2A thread tolerances. This hanger bolt features a 1/8" hex size, 1 5/8" total length, and 0.22" hole diameter specifically engineered for extension spring applications. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance.