S-92620A412 10-24 x 1/2" SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance provided by zinc yellow-chromate plating extends service life in harsh or outdoor environments.
- High hardness rating (Rockwell C33) offers excellent wear resistance and maintains thread integrity during repeated use.
- Coarse UNC threading allows for faster installation and better performance in materials prone to stripping or cross-threading.
- External hex drive design enables easy tightening with standard tools, improving assembly efficiency and reducing labor time.
- Full threading along the 1/2" length provides maximum grip and adjustability in various material thicknesses.
- Precision Class 2A thread fit ensures consistent, secure fastening with reduced risk of loosening under vibration.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 hex head screw delivers unmatched reliability where failure is not an option. The 10-24 UNC coarse thread design excels in soft metals, plastics, and wood, preventing stripping while enabling rapid assembly. With a 150,000 psi tensile strength and Rockwell C33 hardness, it withstands extreme mechanical stresses in machinery, construction, and automotive frameworks. The zinc yellow-chromate plating provides a robust barrier against corrosion, making it ideal for outdoor equipment or humid environments. Its external hex drive ensures compatibility with standard wrenches, streamlining maintenance and reducing downtime in production settings.
Specification Summary & Compliance
This fastener meets SAE J429 specifications for Grade 8 requirements, ensuring consistent quality and performance. Threads are manufactured to Class 2A tolerance for reliable fit and interchangeability. The UNC coarse thread (10-24 size) with right-hand direction follows standardized dimensions for broad compatibility. The zinc yellow-chromate finish complies with industry standards for corrosion protection, and the product adheres to relevant RoHS and REACH regulations for material safety.
