S-8077A177 6-32 Shoulder Screws

Shoulder Screws

0545FA00061 Shoulder Screws
0545FA00061 Shoulder Screws

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

Part No.
Part No. 0545FA00061
Equivalent to mcmaster :
8077A177

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Shoulder Diameter 5/32"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 1 7/8"
Shoulder Length Tolerance -0.005" to 0.005"

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 3A

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 316 Stainless Steel
Finish Black Oxide
Hardness Rockwell B79
Tensile Strength 70000 psi
Minimum Shear Strength 35000 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

  • Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure.
  • Enhanced durability and strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable, long-lasting performance under high stress.
  • Precise Class 3A thread fit ensures tight tolerances and secure fastening, reducing the risk of loosening in critical assemblies.
  • Black oxide finish provides added corrosion protection and a non-reflective surface, suitable for aesthetic and functional applications.
  • Knurled socket head with hex drive allows for easy installation and removal, even in tight spaces, improving assembly efficiency.
  • Accurate shoulder dimensions with controlled tolerances for consistent alignment and spacing in precision machinery and pivots.
  • Compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards for industrial use.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with a black oxide finish is engineered to address common industrial challenges, such as corrosion in humid or chemical-laden settings. The 6-32 UNC coarse threads and Class 3A fit provide secure, vibration-resistant fastening in assemblies requiring precise alignment, like pivots, bearings, and linkages. Its high tensile and shear strength ensures reliability in mechanical systems, while the knurled socket head simplifies maintenance. Ideal for machinery, automotive, and electronics, it delivers consistent performance and reduces downtime in industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to inch system standards with precise dimensions, including a Class 3A thread fit for tight tolerances and UNC coarse threads. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to high hardness (Rockwell B79) and strength specifications, it is suitable for rigorous industrial use without compromising on reliability or regulatory requirements.

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