S-8077A197 5-40 Shoulder Screws

Shoulder Screws

0545FA00079 Shoulder Screws
0545FA00079 Shoulder Screws

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

Part No.
Part No. 0545FA00079
Equivalent to mcmaster :
8077A197

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 5/32"
Shoulder Length Tolerance -0.005" to 0.005"

Thread Parameters

Thread Type UNC
Thread Size 5-40
Thread Diameter 0.125"
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 and Black Oxide finish, ideal for harsh industrial environments.
  • High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable, durable connections.
  • Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and vibration resistance.
  • Easy installation and removal thanks to the hex socket drive and knurled head, providing better grip and torque application.
  • Accurate shoulder dimensions with tight tolerances for consistent alignment and spacing in assemblies.
  • Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements.
  • Versatile right-hand thread design with coarse spacing for quick assembly in various mechanical applications.

Professional Applications & Engineering Value

This 5-40 UNC shoulder screw is engineered to address common industrial challenges such as misalignment and corrosion in precision machinery. Crafted from 316 Stainless Steel with a Black Oxide finish, it provides exceptional resistance to chemicals and moisture, extending service life in demanding settings like automotive, aerospace, and manufacturing equipment. The hex socket head and knurled texture facilitate easy handling and high-torque installation, reducing assembly time and improving reliability. With a Class 3A thread fit and robust shoulder design, it ensures precise component positioning and load distribution, minimizing wear and enhancing overall system performance in industrial shoulder screw applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Key dimensions include a thread diameter of 0.125", thread length of 3/16", shoulder diameter of 5/32", and tolerances such as shoulder diameter tolerance of -0.004" to -0.002". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.

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