S-92941A564 1/4"-28 x 1" ASME B18.2.1 Brass Hex Head Screws
Brass 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 from high-quality brass construction, ideal for harsh environments and moisture-prone applications.
- Excellent mechanical strength with a 50,000 psi tensile strength and Rockwell B55 hardness for reliable, high-stress load-bearing.
- Precise and secure fastening ensured by the Class 2A UNF fine thread fit, reducing the risk of cross-threading and loosening.
- Efficient installation and removal with a standard 7/16" external hex head, compatible with common wrenches for quick assembly.
- Full-length threading provides maximum grip and holding power along the entire 1" shank for versatile application use.
- Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.
- Environmentally safe material that is RoHS 3 and REACH compliant, meeting strict international regulatory requirements.
Professional Applications & Engineering Value
This 1/4"-28 UNF brass hex head screw is engineered to address critical challenges in electrical, marine, and plumbing systems where corrosion resistance and non-magnetic properties are paramount. The fine UNF threading and Class 2A fit provide vibration resistance and superior sealing in pressurized or fine-adjustment assemblies, preventing fluid or gas leakage. Its fully threaded design and 50,000 psi tensile strength ensure durable performance in structural and machinery applications, reducing maintenance frequency and replacement costs. The external hex drive allows for high-torque installation, making it a reliable brass fastener for both automated and manual assembly lines.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with a Class 2A thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.2.1 standards, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to environmental and safety regulations for hazardous substances.
