S-9634K42 M8 x 38 mm Hanger Bolts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide steel construction, ideal for demanding industrial environments
• Reliable load-bearing performance from M8 diameter and coarse 1.25 mm pitch threading for secure connections
• Precision thread engagement with Class 6g fit ensuring consistent assembly and reduced risk of cross-threading
• Optimized for extension spring systems with stud anchor design providing stable, vibration-resistant mounting
• Extended service life through durable steel material and protective black-oxide surface treatment
• Compliance with international regulations including RoHS 3 and REACH for global market acceptance
• Right-hand thread orientation for standard installation procedures and compatibility with common tools

Professional Applications & Engineering Value

This M8 hanger bolt delivers critical engineering solutions for extension spring applications where failure is not an option. The black-oxide steel construction provides superior corrosion protection in challenging environments, while the coarse 1.25 mm pitch threading with Class 6g fit ensures rapid assembly without compromising connection integrity. The stud anchor design specifically addresses vibration-induced loosening in dynamic spring systems, maintaining consistent tension and alignment. With 25 mm minimum thread engagement, this metric hanger bolt offers sufficient bite length for secure fastening in various substrate materials, making it ideal for automotive suspensions, industrial machinery, and heavy equipment where extension spring reliability is paramount.

Specification Summary & Compliance

This hanger bolt features precision metric M8 x 1.25 mm coarse threading with Class 6g thread fit according to ISO standards, ensuring dimensional accuracy and interchangeability. The product maintains 8 mm diameter with 5 mm hole diameter and 38 mm total length, providing 25 mm minimum thread engagement for secure fastening. Manufacturing complies with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) compliance, meeting current environmental and safety regulations for industrial fasteners.