S-91251A480 12-24 x 1 3/4" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel 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 170,000 psi provides reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit ensures tight, secure fastening with excellent vibration resistance for enhanced assembly integrity.
- High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use.
- Fully threaded design allows for maximum grip and adjustability across the entire length, ideal for various material thicknesses.
- Standard hex drive (5/32") enables easy installation with common tools, reducing assembly time and improving efficiency.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for regulated industries.
Professional Applications & Engineering Value
This 12-24 UNC thread socket head cap screw is engineered to address critical challenges in demanding industrial settings. The black-oxide alloy steel construction provides a durable, corrosion-resistant solution that withstands exposure to moisture and chemicals, preventing rust and extending component life. Its coarse thread design ensures quick assembly and reliable holding power in materials like cast iron and soft metals, while the fully threaded right-hand configuration offers versatile clamping force distribution. Ideal for machinery, automotive, and heavy equipment applications, this screw delivers consistent performance where high tensile strength and vibration resistance are paramount, reducing downtime and maintenance costs.
Specification Summary & Compliance
This socket head cap screw features a 12-24 UNC coarse thread with Class 3A fit for precise tolerances and secure fastening. It is manufactured in accordance with ASTM A574 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substances.
