S-91273A538 10-24 Shoulder Screws

Shoulder Screws

0544FA00313 Shoulder Screws
0544FA00313 Shoulder Screws

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

Part No.
Part No. 0544FA00313
Equivalent to mcmaster :
91273A538

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Shoulder Diameter 3/16"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 1/2"
Shoulder Length Tolerance -0.005" to 0.005"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
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 18-8 Stainless Steel
Finish Black Oxide
Hardness Rockwell B55
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 18-8 stainless steel construction, ideal for harsh industrial environments.
  • Enhanced durability and wear resistance from the black oxide finish, reducing maintenance needs.
  • Reliable high-strength performance with 70,000 psi tensile and 35,000 psi shear strength for secure fastening.
  • Precise alignment and smooth rotation due to the 3/16" shoulder diameter and standard fit.
  • Easy installation and removal with the hex socket drive and knurled head for improved grip.
  • Wide compatibility with 10-24 UNC coarse threads and Class 2A fit for standard applications.
  • Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical challenges in industrial assembly, such as misalignment and component wear. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, extending service life in demanding conditions like machinery, automotive, and electronics. The black oxide finish adds an extra layer of protection against abrasion, while the 3/16" shoulder diameter and 1/2" shoulder length ensure precise positioning and reduced friction in rotating parts. With a Rockwell B55 hardness and coarse thread design, it offers reliable performance in high-vibration environments, making it a top choice for precision shoulder screws in B2B procurement.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC thread with Class 2A fit for standard tolerance, ensuring consistent engagement. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 1/2" with a tolerance of -0.005" to 0.005" for precise engineering applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards without hazardous substances.

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