S-92941A851 3/4"-10 x 4" 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 brass material, ideal for harsh environments and moisture-prone applications
- High tensile strength of 50,000 psi ensures reliable load-bearing capacity and joint integrity under stress
- Rockwell B55 hardness provides excellent durability and resistance to wear during installation and service
- Coarse UNC threading enables faster assembly and reduced cross-threading risk in industrial settings
- Class 2A thread fit guarantees consistent, precision mating with standard nuts for secure fastening
- External hex drive design allows for high-torque application using common tools, speeding up maintenance
- Partial threading offers unthreaded shank strength where full engagement isn't required, optimizing design flexibility
Professional Applications & Engineering Value
This 3/4"-10 UNC brass hex head screw delivers critical performance in demanding sectors like marine, plumbing, and electrical systems where corrosion resistance is paramount. The coarse thread design ensures quick, secure fastening even in vibration-prone equipment, while the external hex drive accommodates standard wrenches for efficient installation. Engineered with 50,000 psi tensile strength and Rockwell B55 hardness, it withstands mechanical stress and repeated use without compromising integrity. Its partially threaded configuration allows precise clamp load control, making it ideal for assemblies requiring unthreaded shear strength. By meeting ASME B18.2.1 specifications, it guarantees interchangeability and reliability in OEM and MRO applications.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNC standards, ensuring dimensional accuracy and compatibility. It conforms to ASME B18.2.1 for mechanical and dimensional properties, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances. The 3/4"-10 coarse thread and 4" length provide consistent performance in line with industrial fastening requirements.
