S-92220A205 1/4"-20 x 1 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-Profile Socket 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 – Withstands up to 140,000 psi, ensuring reliable performance in high-stress industrial applications.
- Precision Class 3A Thread Fit – Provides superior thread engagement and vibration resistance for secure, long-lasting fastening.
- Corrosion-Resistant Black-Oxide Finish – Extends service life by protecting against rust and environmental degradation.
- Low-Profile Socket Head Design – Allows installation in confined spaces while offering easy access with a standard hex key.
- High Hardness (Rockwell C39) – Resists wear and deformation, maintaining fastener integrity under repeated use.
- Fully Threaded Shank – Ensures consistent clamping force along the entire length for uniform load distribution.
- Compliance with Major Standards – Meets ASTM A574, RoHS 3, and REACH, guaranteeing material quality and environmental safety.
Professional Applications & Engineering Value
Engineered for demanding environments, these Black-Oxide Alloy Steel Socket Head Cap Screws address common industrial challenges such as vibration loosening and corrosion. The 1/4"-20 UNC coarse threads with Class 3A fit deliver precise alignment and high clamp load retention, ideal for machinery, automotive assemblies, and heavy equipment. The low-profile socket head and hex drive facilitate quick installation in tight spaces, while the fully threaded design ensures even stress distribution. Certified to ASTM A574, these screws provide a robust, corrosion-resistant fastening solution that minimizes maintenance and downtime in critical applications.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread with Class 3A precision tolerance for accurate fit and reliable performance. It is manufactured in accordance with ASTM A574 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.
