S-91488A244 1/4"-20 x 1 1/4" Elevator Bolts
Elevator Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Tip & Drive Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior load distribution with wide flat head design that prevents pull-through in soft materials
- Exceptional corrosion resistance through zinc plating that extends service life in demanding environments
- Enhanced anti-rotation security with ribbed neck design that prevents loosening under vibration
- Reliable mechanical performance with SAE Grade 2 classification and 70,000 PSI tensile strength
- Optimized thread engagement with UNC coarse threading for faster installation and reduced cross-threading risk
- Consistent hardness properties with Rockwell B80 rating ensuring dimensional stability under load
- Complete assembly solution including matching nut for immediate installation readiness
Professional Applications & Engineering Value
This heavy-duty elevator bolt delivers critical engineering solutions for industrial applications requiring secure fastening in soft materials. The ribbed neck design provides superior resistance to rotation, making it ideal for elevator systems, conveyor belts, and material handling equipment where vibration-induced loosening poses operational risks. The zinc plated steel construction offers excellent corrosion protection in humid or chemically challenging environments, while the UNC coarse threading ensures rapid installation and reliable performance in high-volume assembly operations. The combination of SAE Grade 2 strength with 70,000 PSI tensile capacity and Rockwell B80 hardness guarantees consistent performance in demanding mechanical applications, from manufacturing equipment to industrial machinery maintenance.
Specification Summary & Compliance
This elevator bolt features Unified Standard Class 2A thread fit with 1/4"-20 UNC coarse thread specifications, ensuring precise dimensional accuracy and interchangeability. The fastener meets SAE Grade 2 mechanical properties with verified 70,000 PSI tensile strength and Rockwell B80 hardness. Manufacturing complies with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, confirming environmental responsibility and workplace safety standards. The complete assembly includes matching hardware for immediate industrial deployment.
