S-92941A721 1/2"-13 x 2 1/4" 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 due to brass construction, ideal for harsh environments and moisture-prone applications
- High tensile strength of 50,000 psi ensures reliable, heavy-duty fastening without failure under stress
- Excellent durability with Rockwell B55 hardness, maintaining structural integrity over repeated use
- Easy installation and removal with external hex drive and 3/4" head width for standard tool compatibility
- Secure thread engagement through 1/2"-13 UNC coarse threading and Class 2A fit, reducing cross-threading risks
- Versatile partial threading allows for precise clamping control in varied material thicknesses
- Compliance with industry standards including ASME B18.2.1, RoHS 3, and REACH for safe, regulated use
Professional Applications & Engineering Value
This brass hex head screw is engineered to address common industrial challenges such as corrosion in electrical components, marine hardware, and plumbing systems. The 1/2"-13 UNC coarse thread design ensures quick assembly and high resistance to vibration loosening, while the partially threaded shank provides optimal grip in layered materials. With 50,000 psi tensile strength and Rockwell B55 hardness, it delivers consistent performance in high-stress applications, from machinery assembly to structural frameworks. The external hex drive and right-hand thread facilitate efficient installation with standard tools, reducing labor time and enhancing operational reliability in industrial brass fastener setups.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. It meets ASME B18.2.1 specifications for hex head bolts and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances. The coarse threading and partial threading up to 1-1/4" provide reliable fastening in accordance with industrial manufacturing norms.
