S-90265A397 M12 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00225 Shoulder Screws
0543FA00225 Shoulder Screws

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

Part No.
Part No. 0543FA00225
Equivalent to mcmaster :
90265A397

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 24 mm
Head Height 11 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 16 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 40 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Pitch 1.75 mm
Thread Spacing Coarse
Thread Length 18 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 8 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 alignment and smooth rotation thanks to the 16mm shoulder diameter with tight tolerance for reduced wear.
  • High load-bearing capacity with 70,000 psi tensile strength and 45,000 psi shear strength for demanding applications.
  • Easy installation and removal using a standard 8mm hex drive and knurled head for secure grip.
  • Reliable coarse thread engagement with M12x1.75 thread for quick assembly and vibration resistance.
  • Consistent dimensional accuracy ensured by ISO 7379 standards and Class 5g6g thread fit.
  • Safe for sensitive applications with full compliance to RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common industrial challenges such as misalignment, component wear, and corrosion. The 18-8 stainless steel material offers excellent durability in moist or chemical-exposed settings, while the 40mm shoulder length provides a stable bearing surface for pivoting parts in machinery, conveyor systems, and automation equipment. The coarse thread pitch ensures rapid assembly and maintains tightness under vibration, reducing maintenance downtime. With its socket head design and knurled texture, it allows for easy tool access and manual adjustments, making it a versatile choice for precision engineering and assembly lines where reliability and compliance with ISO 7379 are critical.

Specification Summary & Compliance

This shoulder screw features a metric thread with M12 size, 1.75mm pitch, and Class 5g6g thread fit for precise tolerance. The shoulder diameter is 16mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 40mm with 0 to 0.25 mm tolerance, ensuring consistent performance. It meets ISO 7379 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing safety and environmental standards.

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