S-91236A724 1/2"-13 x 3" 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
- Enhanced corrosion resistance with zinc plating, extending service life in demanding industrial environments
- Superior 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 with Class 2A fit offer quick assembly and secure fastening in various materials
- External hex drive design allows for easy installation and removal with standard tools
- Partial threading enables precise clamping force control and reduced risk of cross-threading
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw is engineered to address critical fastening challenges in industrial applications such as machinery assembly, structural frameworks, and heavy equipment. The high-strength steel construction combined with zinc plating provides robust protection against corrosion, reducing maintenance needs in harsh conditions. The coarse thread design ensures quick installation and reliable grip in soft or brittle materials, while the partial threading allows for optimized load distribution. With its external hex drive, it facilitates efficient torque application, making it ideal for high-stress environments where tensile strength and durability are paramount. This screw delivers consistent performance, minimizing downtime and ensuring long-term operational reliability.
Specification Summary & Compliance
This product features precise Class 2A thread fit and adheres to UNC coarse thread standards for consistent performance. It meets ASME B18.2.1 manufacturing specifications, ensuring dimensional accuracy and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmental safety and regulatory requirements for industrial use.
