S-92012A205 8-32 Shoulder Screws

Shoulder Screws

0578FA00006 Shoulder Screws
0578FA00006 Shoulder Screws

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

Part No.
Part No. 0578FA00006
Equivalent to mcmaster :
92012A205

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 5/16"
Head Height 5/32"
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 3/16"
Shoulder Diameter Tolerance -0.001" to 0"
Shoulder Fit Precise
Shoulder Length 1/2"
Shoulder Length Tolerance 0" to 0.002"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
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 140,000 PSI tensile strength and Rockwell C32 hardness for reliable performance in high-stress applications.
  • Superior corrosion resistance provided by the black oxide finish, extending service life in harsh industrial environments.
  • Precise alignment and spacing due to the smooth, accurately machined shoulder with tight diameter and length tolerances (±0.002").
  • Easy and secure installation using a standard hex drive (3/32"), ensuring consistent torque and reducing assembly time.
  • Wide compatibility and reliable fastening with UNC coarse threads and Class 2A fit, suitable for various industrial components.
  • Compliance with environmental standards, being RoHS 3 and REACH compliant, meeting global regulatory requirements.
  • Robust material construction from alloy steel, offering excellent wear resistance and long-term reliability.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address common industrial challenges, such as misalignment and component wear in machinery. The alloy steel construction and black oxide finish provide enhanced durability and corrosion resistance, making it ideal for demanding environments like automotive assemblies, precision instruments, and heavy-duty equipment. The precise shoulder with tight tolerances ensures accurate positioning and reduces vibration, while the coarse thread design facilitates quick installation in various materials. By integrating high tensile strength and compliance with standards like RoHS and REACH, this screw delivers reliable performance, minimizing downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement and tolerance. Key specifications include a thread size of 8-32, shoulder diameter of 3/16" (tolerance: -0.001" to 0"), and shoulder length of 1/2" (tolerance: 0" to 0.002"), ensuring precision in manufacturing. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and global industrial use without hazardous substances.

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