S-90265A276 M6 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00144 Shoulder Screws
0543FA00144 Shoulder Screws

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

Part No.
Part No. 0543FA00144
Equivalent to mcmaster :
90265A276

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 75 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
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 enabled by the 75mm shoulder with tight diameter tolerance for reduced assembly errors.
  • High load-bearing capacity with 70,000 psi tensile strength and 45,000 psi shear strength for demanding applications.
  • Secure, non-slip fastening thanks to the knurled socket head and hex drive, preventing tool slippage during installation.
  • Reliable thread engagement with Class 5g6g thread fit and coarse 1mm pitch for quick, stable assembly.
  • Extended service life from Rockwell B83 hardness, resisting wear and deformation under stress.
  • Global compliance assurance meeting ISO 7379 standards and RoHS 3/REACH regulations for safe, international use.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for machinery, automotive, and electronics where environmental factors are a concern. The 75mm shoulder length and precise shoulder diameter tolerance ensure accurate positioning of moving parts, reducing vibration and misalignment. Combined with a knurled socket head and hex drive, it offers secure installation without stripping, enhancing operational reliability. Its high-strength properties and ISO 7379 certification make it a trusted choice for precision shoulder bolts in assemblies requiring repeatable performance.

Specification Summary & Compliance

This shoulder screw features M6 x 1 mm coarse threads with Class 5g6g fit for standard metric applications. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring dimensional accuracy. It complies with ISO 7379 manufacturing specifications and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant for environmental safety.

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