S-90265A436 M16 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00250 Shoulder Screws
0543FA00250 Shoulder Screws

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

Part No.
Part No. 0543FA00250
Equivalent to mcmaster :
90265A436

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 30 mm
Head Height 14 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 20 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 50 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M16
Thread Pitch 2 mm
Thread Spacing Coarse
Thread Length 22 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 10 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B83
Tensile Strength 70000 psi
Minimum Shear Strength 45000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ISO 7379
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 18-8 stainless steel construction, ideal for harsh industrial environments.
  • Precise component alignment ensured by a 50mm shoulder with controlled tolerances for stable assembly.
  • High mechanical strength offering 70,000 psi tensile and 45,000 psi shear strength for demanding applications.
  • Reliable thread engagement with Class 5g6g thread fit, reducing the risk of cross-threading and ensuring secure fastening.
  • Enhanced grip and handling from the knurled head, facilitating manual adjustments without tools.
  • Broad compliance with ISO 7379 standards, RoHS 3, and REACH for global regulatory acceptance.
  • Durable performance backed by Rockwell B83 hardness, resisting wear and deformation over time.

Professional Applications & Engineering Value

This M16x2mm shoulder screw is engineered to address critical alignment challenges in machinery, automation, and precision equipment. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for environments exposed to moisture or chemicals. With a coarse thread pitch and Class 5g6g thread fit, it ensures quick, secure installation while minimizing the risk of thread damage. The 50mm shoulder length acts as a precise pivot or spacer, maintaining component alignment under dynamic loads. Commonly used in industrial applications like conveyor systems, robotic arms, and fixture assemblies, it reduces vibration-induced misalignment and extends equipment lifespan. The hex drive and knurled head offer versatile installation options, enhancing efficiency in maintenance and assembly processes.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 specifications, with a metric thread size M16x2mm and Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety standards for industrial use.

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