S-92865A910 1"-8 x 1 3/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 120,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance with zinc plating protects against rust and extends service life in harsh industrial environments.
- High hardness rating (Rockwell C25) provides excellent wear resistance and maintains thread integrity under repeated use.
- Coarse UNC threading allows for faster installation and better grip in softer materials, improving assembly efficiency.
- Class 2A thread fit ensures consistent, precise engagement with nuts for secure fastening without binding.
- Full threading along the entire 1 3/4" length offers versatile clamping options and uniform stress distribution.
- External hex drive design enables easy installation and removal with standard tools, reducing labor time and costs.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered for demanding industrial applications where high tensile strength and durability are critical. The zinc plated steel construction provides robust corrosion resistance, making it ideal for outdoor equipment, machinery assembly, and structural frameworks exposed to moisture. The coarse UNC thread design ensures quick, secure fastening in materials like cast iron or soft metals, reducing installation time while maintaining Class 2A precision for reliable performance. With full threading and an external hex drive, it offers consistent clamping force and easy maintenance, addressing common issues like vibration loosening and thread stripping in heavy-duty settings.
Specification Summary & Compliance
This fastener meets ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring dimensional accuracy and Class 2A thread fit for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, guaranteeing safe use in regulated industries.
