S-92220A186 1/4"-20 x 1" 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 of 140,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
- Low-profile socket head design allows for installation in tight spaces, offering versatility and ease of use without compromising on drive engagement.
- Class 3A thread fit provides superior precision and tight tolerances, minimizing backlash and ensuring secure, vibration-resistant connections.
- Black-oxide coating on alloy steel enhances corrosion resistance, extending the screw's service life in harsh environments.
- Fully threaded UNC coarse thread enables quick assembly and strong holding power, ideal for high-strength fastening needs.
- Rockwell C39 hardness delivers excellent durability and wear resistance, maintaining integrity under repeated stress.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety, supporting responsible sourcing.
Professional Applications & Engineering Value
This low profile socket head cap screw is engineered from black-oxide alloy steel to address common industrial challenges such as space constraints and corrosion. The UNC coarse thread and Class 3A thread fit ensure precise, secure fastening in machinery, automotive, and aerospace applications, reducing assembly time and preventing loosening under vibration. With a high tensile strength of 140,000 psi and Rockwell C39 hardness, it withstands heavy loads and repetitive stress, making it ideal for high-strength industrial fasteners where reliability is critical. The black-oxide surface treatment further enhances longevity in corrosive environments, providing a cost-effective solution for durable, precision screw installations.
Specification Summary & Compliance
This product features a 1/4"-20 UNC coarse thread with Class 3A thread fit for high precision, and is fully threaded with a length of 1 inch. It complies with ASTM A574 specifications for alloy steel socket head cap screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are upheld.
