S-8077A165 6-32 Shoulder Screws

Shoulder Screws

0545FA00050 Shoulder Screws
0545FA00050 Shoulder Screws

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

Part No.
Part No. 0545FA00050
Equivalent to mcmaster :
8077A165

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 2"
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 environments and extended service life.
  • Enhanced durability and wear resistance from the black oxide finish, providing added protection against abrasion.
  • High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding industrial applications.
  • Precise assembly and secure fit ensured by Class 3A thread fit and UNC coarse threading, reducing the risk of loosening.
  • Easy installation and removal with a hex socket drive and knurled head for improved grip and torque application.
  • Accurate alignment and spacing due to the 2" shoulder length with tight tolerances, minimizing component misalignment.
  • Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty industrial equipment. The combination of UNC coarse threading and Class 3A thread fit ensures reliable fastening in high-vibration environments, reducing maintenance downtime. The black oxide finish enhances corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor conditions. With a 2" shoulder length and controlled tolerances, it provides stable pivoting, alignment, and rotational support in assemblies like linkages, bearings, and gears, delivering long-term performance and reducing wear on mating components.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precise engagement. Dimensions include a 6-32 thread size, 2" shoulder length (tolerance: -0.005" to 0.005"), and shoulder diameter of 5/32" (tolerance: -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 global industrial use.

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