S-91309A841 3/4"-10 x 1 3/4" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws
Low-Strength Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial 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
- Full threading design allows for maximum grip and uniform stress distribution along the entire length
- External hex drive and hex head enable easy installation and high torque application with standard tools
- Class 2A thread fit with UNC coarse threads offers quick assembly and reduced cross-threading risks
- Compliance with major industry standards including ASME B18.2.1 and ASTM A307 guarantees consistent quality and interoperability
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw is engineered to address critical fastening challenges in heavy machinery, structural steel connections, and industrial equipment assembly. The high-strength steel construction combined with zinc plating provides robust protection against corrosion, significantly reducing maintenance needs in harsh operating conditions. The coarse UNC thread and Class 2A fit ensure rapid, secure installation even in applications with slight misalignments, while the external hex drive allows for high torque transfer without stripping. Ideal for construction, manufacturing, and infrastructure projects, this fully threaded fastener delivers consistent clamping force and vibration resistance, preventing joint failure and enhancing operational safety.
Specification Summary & Compliance
This product features precise Class 2A thread fit with UNC coarse threads (3/4"-10) and complies with ASME B18.2.1 and ASTM A307 manufacturing specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial and international markets.
