S-91236A827 5/8"-11 x 11" 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 for extended service life in harsh industrial environments
- High tensile strength of 60,000 psi ensures reliable performance in demanding structural applications
- Rockwell B69 hardness provides excellent durability and resistance to deformation under heavy loads
- UNC coarse threading enables faster installation and better performance in softer materials
- Class 2A thread fit offers optimal balance between assembly ease and vibration resistance
- External hex drive design allows for high torque application with standard wrench tools
- Comprehensive compliance with ASME, RoHS 3, and REACH standards ensures quality and environmental responsibility
Professional Applications & Engineering Value
This heavy-duty 5/8"-11 UNC hex head screw delivers exceptional engineering value across multiple industrial sectors. The zinc plated steel construction provides critical corrosion protection for outdoor construction, structural steel connections, and machinery assembly where environmental exposure is a concern. The partially threaded design with coarse UNC threading ensures superior grip and clamping force in wood, steel, and composite materials, preventing joint failure in high-vibration environments. With 11" length and external hex drive, this fastener enables efficient installation in deep-set applications while maintaining the high 60,000 psi tensile strength required for critical structural connections in construction and heavy equipment manufacturing.
Specification Summary & Compliance
This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerances ensuring proper engagement and reliable performance. Manufactured to ASME B18.2.1 specifications with ASTM A307 material standards, the fastener delivers consistent quality and dimensional accuracy. The product maintains full compliance with RoHS 3 (2015/863/EU) for hazardous substance restriction and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial applications worldwide.
