S-93075A201 8-32 x 1 1/4" ASME B18.6.3 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 that protects against rust and extends service life in harsh environments
- High tensile strength of 60,000 psi ensures reliable load-bearing capacity and prevents failure under stress
- Rockwell B69 hardness provides excellent durability and resistance to wear and deformation
- Class 2A thread fit offers consistent, easy assembly with standard nuts and tapped holes
- External hex drive design allows for quick installation and high torque application with common tools
- Coarse UNC threading enables faster driving and reduced cross-threading risks in various materials
- Full threading along the 1-1/4" length ensures maximum grip and holding power across the entire fastener
Professional Applications & Engineering Value
This 8-32 UNC hex head screw is engineered to address critical challenges in industrial assembly, where vibration resistance, consistent clamping force, and long-term reliability are paramount. The steel construction with zinc plating combats corrosion in demanding settings like outdoor equipment, machinery frames, and electrical enclosures. Its coarse thread design and Class 2A fit minimize installation errors and ensure secure fastening in metals, plastics, and composite materials. Ideal for maintenance, manufacturing, and structural applications, this screw delivers predictable performance, reducing downtime and replacement costs while meeting rigorous industry standards.
Specification Summary & Compliance
This screw adheres to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties, with a Class 2A thread fit ensuring proper engagement and interchangeability. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. Manufactured to inch system standards, it features UNC coarse threads, a 1-1/4" length, and external hex drive for consistent, reliable performance in regulated industrial environments.
