S-92012A524 6-32 Shoulder Screws

Shoulder Screws

0578FA00042 Shoulder Screws
0578FA00042 Shoulder Screws

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

Part No.
Part No. 0578FA00042
Equivalent to mcmaster :
92012A524

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 3/16"
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 demanding industrial environments.
  • Superior corrosion resistance provided by the black oxide finish, extending the screw's service life and maintaining appearance in harsh conditions.
  • Precise alignment and secure positioning due to the precisely machined shoulder with minimal diameter and length tolerances, reducing assembly errors and improving component stability.
  • High torque application capability enabled by the hex socket drive and smooth head texture, allowing for easy installation and removal with standard tools.
  • Wide compatibility and reliable fastening with UNC coarse threads and Class 2A thread fit, ensuring consistent engagement and vibration resistance in various materials.
  • Consistent hardness and wear resistance at Rockwell C32, providing long-term reliability and reducing the risk of stripping or deformation under load.
  • Compliance with environmental and safety standards including RoHS 3 and REACH, making it suitable for global supply chains and regulated industries.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address critical challenges in precision assembly and machinery, where exact alignment and robust fastening are essential. The alloy steel material, combined with a black oxide finish, offers excellent resistance to corrosion and wear, making it ideal for automotive, aerospace, and industrial equipment applications. The hex socket head allows for high-torque installation in confined spaces, while the coarse thread design ensures quick and secure fastening in metals and plastics. The precisely controlled shoulder diameter and length provide a snug fit for rotating parts or bushings, minimizing play and enhancing operational accuracy. By integrating right-hand threads and a Class 2A thread fit, this screw delivers consistent performance in dynamic environments, reducing maintenance needs and downtime.

Specification Summary & Compliance

This shoulder screw adheres to inch system measurements with a Class 2A thread fit for standard UNC threads, ensuring dimensional accuracy and interchangeability. Manufacturing follows precise tolerances for shoulder diameter (-0.001" to 0") and length (0" to 0.002"), supporting reliable assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industrial applications.

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