S-90265A142 M5 Shoulder Screws

Shoulder Screws

0543FA00039 Shoulder Screws
0543FA00039 Shoulder Screws

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

Part No.
Part No. 0543FA00039
Equivalent to mcmaster :
90265A142

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 12 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

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs.
  • High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under load.
  • Precise component alignment enabled by the 12mm shoulder length with tight diameter and length tolerances.
  • Secure and efficient installation using a standard 3mm hex key, preventing cam-out and reducing assembly time.
  • Consistent thread engagement with Class 5g6g thread fit, providing reliable fastening and vibration resistance.
  • Durable and long-lasting with Rockwell B55 hardness, resisting wear and deformation in demanding applications.
  • Environmental and regulatory compliance with RoHS 3 and REACH standards, ensuring safe and sustainable use.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and precision challenges in industrial assemblies. The 18-8 stainless steel material offers excellent corrosion resistance, making it suitable for machinery, automation systems, and outdoor equipment exposed to moisture. The 12mm shoulder length with controlled tolerances acts as a precise pivot or spacer, eliminating the need for additional bushings and reducing part count. The coarse thread (0.8mm pitch) and Class 5g6g thread fit ensure quick assembly and reliable retention in metals and plastics, resisting loosening under vibration. The hex socket drive allows for high torque application in confined spaces, streamlining production and maintenance processes while enhancing overall assembly integrity.

Specification Summary & Compliance

This metric shoulder screw features an M5x0.8 coarse thread with a Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, guaranteeing precise fit. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial and electronic applications.

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