S-91236A855 3/4"-10 x 5" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws
Low-Strength 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
- Superior corrosion resistance with zinc plating, extending service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B69 hardness provides excellent durability and resistance to wear and deformation
- Coarse UNC threads offer faster installation and reduced risk of cross-threading in industrial assemblies
- Class 2A thread fit guarantees consistent, precise engagement with nuts for secure fastening
- External hex drive and 1 1/8" head width allow for high-torque application with standard tools
- Partial threading design provides optimal grip length for specific clamping requirements
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is critical. Manufactured from high-strength steel with zinc plating, it effectively combats corrosion in manufacturing plants, construction sites, and machinery assembly. The coarse thread configuration ensures rapid installation in structural steel connections, equipment bases, and framework assemblies, while the partial threading allows precise control over clamped materials. With its external hex drive and substantial 1 1/8" head width, it withstands high torque applications without stripping, making it ideal for maintenance, repair, and OEM operations requiring dependable, long-lasting fastening solutions.
Specification Summary & Compliance
This hex head screw features 3/4"-10 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. It complies with ASME B18.2.1 manufacturing specifications and ASTM A307 material standards, ensuring mechanical properties and dimensional uniformity. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial components.