S-91236A865 3/4"-10 x 9" 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 under heavy loads and stress conditions
- Rockwell B69 hardness rating provides excellent durability and resistance to deformation
- External hex drive design allows for easy installation and removal with standard tools
- Class 2A thread fit ensures smooth assembly and consistent performance in UNC coarse thread applications
- Partial threading configuration offers optimal grip strength while reducing material usage
- Comprehensive compliance with major industry standards guarantees quality and reliability
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw delivers exceptional engineering value for demanding industrial applications where vibration resistance and structural integrity are critical. The steel construction with zinc plating provides superior protection against corrosion, making it ideal for outdoor equipment, machinery assembly, and structural frameworks. The coarse thread design ensures quick installation and reliable performance in materials where fine threads might strip or fail. With partial threading and external hex drive, this fastener offers optimal clamping force while allowing for efficient installation in tight spaces. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures these hex head bolts maintain their integrity under substantial mechanical stress, providing long-term reliability in heavy-duty fastening applications.
Specification Summary & Compliance
This 9" length hex head screw features precision 3/4"-10 UNC coarse threads with Class 2A thread fit tolerance for consistent performance. Manufactured to meet ASME B18.2.1 specifications and ASTM A307 material standards, ensuring dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries and environmentally conscious applications.
