S-92012A542 10-32 Shoulder Screws

Shoulder Screws

0578FA00056 Shoulder Screws
0578FA00056 Shoulder Screws

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

Part No.
Part No. 0578FA00056
Equivalent to mcmaster :
92012A542

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/8"
Head Height 3/16"
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 1/4"
Shoulder Diameter Tolerance -0.001" to 0"
Shoulder Fit Precise
Shoulder Length 1"
Shoulder Length Tolerance 0" to 0.002"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Length 1/4"
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/8"

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, ideal for high-stress industrial applications.
  • Superior corrosion resistance thanks to the black oxide finish, extending service life in demanding environments.
  • Precise alignment and secure positioning enabled by the exact 1/4" shoulder diameter and 1" shoulder length with tight tolerances.
  • Reliable thread engagement with Class 2A fit and 10-32 UNF fine thread, ensuring vibration resistance and secure fastening.
  • Easy installation and removal using a standard 1/8" hex drive socket head, reducing assembly time and tool wear.
  • Compliance with environmental standards including RoHS 3 and REACH, making them safe for global industrial use.
  • Right-hand thread design for standard application compatibility and straightforward usage in automated or manual setups.

Professional Applications & Engineering Value

These precision shoulder screws are engineered to address common industrial challenges such as misalignment, component wear, and fastener failure. Made from alloy steel with a black oxide finish, they offer enhanced durability and resistance to corrosion, making them suitable for machinery, automotive assemblies, and precision instruments. The 10-32 UNF fine thread and Class 2A fit provide secure, vibration-resistant connections, while the smooth socket head allows for efficient torque application. Ideal for applications requiring exact shoulder positioning, these screws ensure reliable performance in industrial shoulder screw setups, reducing maintenance needs and improving overall assembly integrity.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 2A thread fit and UNF thread type for consistent performance. The shoulder diameter is maintained at 1/4" with tight tolerances (-0.001" to 0"), and the shoulder length is 1" (0" to 0.002" tolerance). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for various industrial applications.

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