S-97745A770 1/4"-20 x 1 1/4" Hanger Bolts

Key Features & Benefits at a Glance

• 360° rotating head enables easy installation and alignment in tight or awkward spaces, reducing assembly time and effort.
• Wrench flats on the hex head provide secure gripping for torque application, preventing slipping and ensuring reliable fastening.
• Black-oxide steel construction offers excellent corrosion resistance, extending the bolt's service life in harsh industrial environments.
• UNC coarse threading ensures quick engagement and high resistance to vibration loosening, ideal for dynamic loads.
• 7/8" minimum thread length guarantees sufficient engagement depth for strong, stable connections in extension spring systems.
• Right-hand thread design simplifies standard installation procedures, improving efficiency for maintenance and assembly tasks.
• RoHS 3 and REACH compliance assures environmental safety and regulatory adherence, supporting sustainable manufacturing practices.

Professional Applications & Engineering Value

This black-oxide steel hanger bolt is engineered to address common challenges in industrial fastening, such as misalignment and corrosion. The 360° rotating head allows for flexible positioning, making it perfect for extension spring systems and stud anchor applications where precise alignment is critical. Its UNC coarse thread provides robust holding power, reducing the risk of thread stripping under heavy loads. The black-oxide finish enhances durability by resisting rust and wear, ensuring long-term performance in demanding settings like machinery, automotive, and construction. By combining ease of installation with high strength, this bolt minimizes downtime and maintenance costs, delivering reliable anchoring solutions for B2B clients.

Specification Summary & Compliance

This hanger bolt adheres to UNC coarse thread standards with precise dimensions: 1/4"-20 thread size, 1-1/4" length, and 5/64" hex size. It meets RoHS 3 (2015/863/EU) compliance under exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant, ensuring environmental and safety regulations are upheld for industrial use.