S-92012A528 6-32 Shoulder Screws

Shoulder Screws

0578FA00046 Shoulder Screws
0578FA00046 Shoulder Screws

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

Part No.
Part No. 0578FA00046
Equivalent to mcmaster :
92012A528

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 9/32"
Head Height 1/8"
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 5/32"
Shoulder Diameter Tolerance -0.001" to 0"
Shoulder Fit Precise
Shoulder Length 7/16"
Shoulder Length Tolerance 0" to 0.002"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Length 3/16"
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Alloy Steel
Finish Black Oxide
Hardness Rockwell C32
Tensile Strength 140000 psi

Temperature & Environment

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

  • Exceptional strength and durability with alloy steel construction and 140,000 psi tensile strength, ensuring reliable performance in high-stress industrial applications.
  • Superior corrosion resistance provided by the black oxide finish, extending the screw's service life in harsh or humid environments.
  • Precise alignment and secure fit due to the smooth, precisely toleranced shoulder (5/32" diameter, 7/16" length), minimizing component misalignment and vibration.
  • Easy installation and high torque capability with the hex socket head and 3/32" drive, allowing for efficient assembly with standard tools.
  • Wide compatibility and reliable threading from the 6-32 UNC coarse thread with Class 2A fit, ensuring consistent engagement and reducing cross-threading risks.
  • Consistent hardness and wear resistance at Rockwell C32, maintaining structural integrity and thread form over repeated use.
  • Compliance with environmental and safety standards including RoHS 3 and REACH, making it suitable for global industrial supply chains.

Professional Applications & Engineering Value

This 6-32 shoulder screw is engineered to address critical fastening challenges in precision assemblies, such as in machinery, automotive components, and electronic enclosures. The alloy steel material and black oxide finish provide excellent resistance to corrosion and wear, which is vital for applications exposed to oils, moisture, or frequent adjustments. The UNC coarse thread and Class 2A thread fit ensure quick, reliable installation without sacrificing holding power, while the precisely machined shoulder offers stable bearing support for rotating parts or spacers, reducing eccentric movement and component fatigue. Its socket head design allows for compact installations in confined spaces, making it a versatile choice for engineers seeking durability, ease of maintenance, and compliance in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and UNC thread specifications. The shoulder features tight tolerances (diameter: -0.001" to 0", length: 0" to 0.002") to ensure exact fit in precision applications. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for use in regulated industries without hazardous substances.

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