S-94895A860 1 1/4"-12 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Maximum Load Capacity – Grade 8 classification ensures superior tensile strength for heavy machinery and structural applications
- Enhanced Corrosion Resistance – Zinc yellow-chromate plating provides durable protection against rust in harsh environments
- Precise Thread Engagement – UNF fine threads (1 1/4"-12) deliver superior vibration resistance and secure fastening
- Reliable Thread Fit – Class 2B thread tolerance guarantees consistent performance and easy assembly
- Optimized Tool Compatibility – Standard external hex drive (1 7/8" width) enables efficient installation with common wrenches
- Dimensional Stability – Robust 1 1/16" height maintains structural integrity under extreme pressure
- Industry-Standard Compliance – Right-hand thread direction and UNF specifications ensure broad compatibility across equipment
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this Grade 8 hex nut combines zinc yellow-chromate-plated steel construction with UNF fine threads to address critical challenges in heavy machinery, automotive assemblies, and construction frameworks. The Class 2B thread fit eliminates play while maintaining smooth engagement, reducing maintenance frequency in high-vibration applications. Its corrosion-resistant coating withstands exposure to moisture, chemicals, and temperature fluctuations, extending service life in outdoor or industrial settings where fastener failure is not an option. The external hex drive profile ensures quick installation and removal with standard tools, streamlining assembly lines and field maintenance operations.
Specification Summary & Compliance
This heavy-duty hex nut maintains Class 2B thread fit per UNF standards with precise 1 1/4"-12 fine threading. Manufacturing adheres to Grade 8 strength requirements (approximately 150 ksi minimum tensile strength) with dimensional consistency across the 1 7/8" width and 1 1/16" height. Complies with ASME/ANSI specifications for inch-series fasteners and meets RoHS/REACH environmental standards for industrial use.
