S-90265A145 M5 Shoulder Screws

Shoulder Screws

0543FA00042 Shoulder Screws
0543FA00042 Shoulder Screws

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

Part No.
Part No. 0543FA00042
Equivalent to mcmaster :
90265A145

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 10 mm
Head Height 4.5 mm
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 6 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 25 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Length 10 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 3 mm

Material & Strength

Material 18-8 Stainless Steel
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

  • Exceptional corrosion resistance thanks to 18-8 Stainless Steel, ensuring long-term reliability in harsh environments.
  • High tensile strength of 70,000 psi provides superior load-bearing capacity for demanding industrial applications.
  • Precise Class 5g6g thread fit guarantees consistent engagement and secure fastening in assemblies.
  • Durable Rockwell B55 hardness offers excellent wear resistance and maintains structural integrity under stress.
  • Hex socket drive design allows for easy installation and removal with standard tools, reducing assembly time.
  • RoHS 3 and REACH compliance ensures environmental safety and meets international regulatory standards.
  • Accurate 25mm shoulder length provides stable alignment and acts as a pivot or shaft in mechanical assemblies.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 Stainless Steel construction offers robust corrosion resistance, making it ideal for machinery, automotive, and electronics where exposure to moisture or chemicals is common. The 25mm shoulder serves as a precise spacer or bearing surface, reducing wear on moving parts and ensuring accurate component positioning. With a hex socket drive and Class 5g6g thread fit, it simplifies installation in tight spaces while maintaining high tensile strength for heavy-duty applications. This fastener is a reliable choice for engineers seeking to enhance assembly longevity and performance in precision shoulder screw uses.

Specification Summary & Compliance

This product features a Metric M5x0.8 coarse thread with a Class 5g6g thread fit for precise tolerance, a shoulder diameter of 6 mm with a tolerance of -0.072 to -0.01 mm, and a shoulder length of 25 mm with a tolerance of 0 to 0.25 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring it is free from hazardous substances and suitable for global industrial use.

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