S-90265A618 M5 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00270 Shoulder Screws
0543FA00270 Shoulder Screws

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

Part No.
Part No. 0543FA00270
Equivalent to mcmaster :
90265A618

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 8 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
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

  • Enhanced corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
  • Superior load distribution due to the precision 8mm shoulder length with tight tolerance control, minimizing component misalignment.
  • High-strength performance offering 70,000 psi tensile strength and 45,000 psi minimum shear strength for demanding applications.
  • Secure, tamper-resistant installation enabled by the socket head and 3 mm hex drive for reliable torque transmission.
  • Durable, wear-resistant surface with a black oxide finish that provides added protection and a professional appearance.
  • Precise thread engagement with Class 5g6g thread fit and M5x0.8 coarse thread, ensuring consistent fastening and vibration resistance.
  • Global compliance and reliability, meeting ISO 7379 standards and being RoHS 3 and REACH compliant for safe use in various markets.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, extending service life in machinery, automotive assemblies, and electronic enclosures. The black oxide finish not only enhances aesthetics but also reduces galling and friction during installation. With its precision shoulder acting as a pivot or spacer, it prevents axial movement and maintains precise component positioning, reducing wear and maintenance costs. The socket head design with a hex drive allows for efficient installation in confined spaces, making it a reliable choice for high-stress environments where thread integrity and tensile strength are paramount.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 specifications, ensuring dimensional accuracy with a thread fit of Class 5g6g and shoulder diameter tolerance of -0.072 to -0.01 mm. It is manufactured from 18-8 stainless steel with a black oxide finish, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety and restricted substances.

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