S-97345A542 10-24 ASME B18.3 Shoulder Screws

Shoulder Screws

0545FA00950 Shoulder Screws
0545FA00950 Shoulder Screws

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

Part No.
Part No. 0545FA00950
Equivalent to mcmaster :
97345A542

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Shoulder Diameter 1/4"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 1"
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 3/8"
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/8"

Material & Strength

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

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
Technical Drawings No drawings available at the moment, will be launched soon
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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
  • High load-bearing capacity from 70,000 psi tensile strength and 35,000 psi shear strength, ensuring reliable performance under stress
  • Precise alignment and spacing provided by the 1" shoulder with tight tolerances, reducing assembly errors and improving component fit
  • Enhanced wear resistance due to Rockwell B79 hardness, maintaining thread integrity and shoulder dimensions over repeated use
  • Secure and efficient installation with a knurled socket head and 1/8" hex drive, preventing tool slippage and speeding up assembly
  • Consistent thread engagement from Class 3A fit and 10-24 UNC coarse threads, offering vibration resistance and easy starting
  • Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance for global applications

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery and industrial assemblies. The 10-24 UNC coarse thread and Class 3A fit provide reliable fastening in high-vibration environments, while the 1" shoulder length with minimal tolerances ensures accurate component positioning—eliminating misalignment in rotating parts, linkages, and bearing mounts. The knurled socket head enhances grip during installation, reducing the risk of stripping in confined spaces. Ideal for applications in automotive, aerospace, and manufacturing equipment, this screw’s high tensile and shear strength supports heavy-duty operations, and its corrosion-resistant material withstands exposure to chemicals and moisture, extending maintenance intervals and reducing downtime.

Specification Summary & Compliance

This shoulder screw adheres to ASME B18.3 specifications, with precise dimensions including a 10-24 UNC thread in Class 3A fit, shoulder diameter tolerance of -0.004" to -0.002", and shoulder length tolerance of -0.005" to 0.005". It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.

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