S-92941A636 3/8"-16 x 3" ASME B18.2.1 Brass Hex Head Screws

Brass Hex Head Screws

0252FA00041 Brass Hex Head Screws
0252FA00041 Brass Hex Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0252FA00041
Equivalent to mcmaster :
92941A636

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 9/16"
Head Height 15/64"

Dimensions

Length 3"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Min Thread Length 1"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material Brass
Hardness Rockwell B55
Tensile Strength 50000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance from high-quality brass construction, ideal for harsh industrial environments and outdoor applications
  • Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
  • Easy installation and removal with standard external hex drive and 9/16" head width for secure tool engagement
  • Optimized thread engagement through Class 2A thread fit and coarse UNC threading, ensuring vibration resistance and quick assembly
  • Versatile partial threading design allowing for both secure clamping and adjustable positioning in assembly applications
  • Full regulatory compliance meeting ASME B18.2.1 specifications and environmental standards including RoHS 3 and REACH
  • Dimensional precision with 3" length and consistent 3/8"-16 thread size for reliable interchangeability in inch-system applications

Professional Applications & Engineering Value

This 3/8"-16 UNC brass hex head screw delivers exceptional engineering value across multiple industrial sectors. The brass material provides inherent corrosion resistance, making it ideal for marine applications, plumbing systems, and electrical enclosures where moisture resistance is critical. The coarse UNC thread design ensures rapid installation and superior vibration resistance in machinery assembly, while the partial threading allows for precise adjustment in structural applications. With 50,000 psi tensile strength and Rockwell B55 hardness, this fastener maintains integrity under substantial mechanical stress, solving common failure points in heavy-duty equipment. The external hex drive configuration enables high-torque installation, making it suitable for automotive, manufacturing, and construction applications where reliability is paramount.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading and 3" length in the inch measurement system. Manufacturing complies with ASME B18.2.1 standards for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.

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