S-90432A140 1/4"-20 x 1 1/2" Elevator Bolts

Key Features & Benefits at a Glance

• Enhanced anti-rotation security with the ribbed neck design that prevents loosening under vibration in demanding industrial environments
• Superior corrosion resistance provided by the black oxide finish, extending the bolt's service life in various operating conditions
• High tensile strength of 70,000 psi ensures reliable performance and structural integrity for heavy-duty fastening applications
• Excellent thread engagement with Unified Standard Class 2A coarse UNC threads, enabling quick installation and secure connections
• Convenient installation and removal using the wide flat head with slotted drive, compatible with standard tools
• Complete fastening solution with included nut, saving procurement time and ensuring component compatibility
• Regulatory compliance assurance meeting REACH and RoHS 3 standards for safe use in regulated industries

Professional Applications & Engineering Value

This 1/4-20 UNC elevator bolt delivers exceptional engineering value through its specialized design and material properties. The ribbed neck provides critical anti-rotation capability that prevents fastener failure in high-vibration environments common in elevator systems, conveyor belts, and industrial machinery. The SAE Grade 2 steel construction with Rockwell B80 hardness offers the perfect balance of strength and machinability, while the black oxide finish provides essential corrosion protection without compromising dimensional accuracy. The fully threaded coarse UNC pattern ensures maximum thread engagement and load distribution, making it ideal for applications requiring repeated adjustments or disassembly. This comprehensive design addresses common industrial challenges including vibration-induced loosening, corrosion degradation, and installation efficiency.

Specification Summary & Compliance

This elevator bolt maintains precise Unified Standard Class 2A thread fit with 1/4"-20 UNC coarse threading and right-hand direction. The fastener meets SAE Grade 2 specifications with verified 70,000 psi tensile strength and Rockwell B80 hardness. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring regulatory compliance for industrial applications worldwide. The complete assembly includes matching nut and features the distinctive No. 3 elevator bolt style with ribbed neck configuration.