S-91236A650 3/8"-16 x 7" 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
- Exceptional tensile strength of 60,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides superior corrosion resistance, extending the service life of the screw in various industrial environments.
- Coarse UNC thread and Class 2A fit enable quick and easy installation while maintaining secure fastening integrity.
- Partially threaded design with a 1 1/4" minimum thread length offers optimal grip and clamping force for specific assembly needs.
- External hex drive and hex head allow for high-torque application using standard tools, improving installation efficiency.
- Compliance with ASME B18.2.1 and ASTM A307 standards guarantees consistent quality and interchangeability for professional use.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw is engineered from steel with a zinc-plated finish to address common industrial challenges such as vibration loosening and environmental corrosion. The coarse thread and partial threading provide excellent holding power in materials like metal and wood, making it ideal for construction, machinery assembly, and heavy equipment. Its 60,000 psi tensile strength and Rockwell B69 hardness ensure durability under high-stress conditions, while the external hex drive facilitates efficient installation with common wrenches. By meeting ASME B18.2.1 specifications, this fastener delivers reliable performance in industrial applications, reducing maintenance needs and downtime.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threads with a size of 3/8"-16. It is manufactured in compliance with ASME B18.2.1 and ASTM A307 material specifications, ensuring high quality and performance. Additionally, it meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its safety and environmental compliance for industrial use.
