S-90265A694 M6 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00284 Shoulder Screws
0543FA00284 Shoulder Screws

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

Part No.
Part No. 0543FA00284
Equivalent to mcmaster :
90265A694

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 13 mm
Head Height 5.5 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 8 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 20 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Length 11 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 4 mm

Material & Strength

Material 18-8 Stainless Steel
Finish Black Oxide
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.
  • Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance.
  • Precise alignment and smooth rotation enabled by the 20mm shoulder with controlled diameter tolerance.
  • High-strength fastening with 70,000 psi tensile strength and 45,000 psi shear strength for heavy-duty applications.
  • Secure, non-slip installation thanks to the knurled socket head and 4mm hex drive for reliable torque transmission.
  • Easy assembly with coarse M6x1 threads, ensuring quick engagement and reduced cross-threading risks.
  • Global compliance and reliability meeting ISO 7379, RoHS 3, and REACH standards for safe, consistent quality.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial applications. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, while the black oxide finish enhances surface hardness and reduces galling. The precise 20mm shoulder length and 8mm shoulder diameter provide a stable bearing surface for components like gears, pulleys, and linkages, minimizing misalignment and wear. With a Class 5g6g thread fit and coarse M6x1 thread, it ensures rapid assembly in high-vibration environments, making it ideal for machinery, automotive, and automation systems where reliability and precision engineering are paramount.

Specification Summary & Compliance

This shoulder screw features a metric M6x1 coarse thread with Class 5g6g tolerance for precise fit. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It complies with ISO 7379 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global use.

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