S-90265A253 M6 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00126 Shoulder Screws
0543FA00126 Shoulder Screws

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

Part No.
Part No. 0543FA00126
Equivalent to mcmaster :
90265A253

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 5 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 and extending service life.
  • High tensile and shear strength (70,000 PSI tensile, 45,000 PSI min shear) ensures reliable performance under heavy loads and vibration.
  • Precise shoulder diameter and length (8mm shoulder with tight tolerances) provides accurate alignment and spacing in assemblies.
  • Knurled socket head with 4mm hex drive offers excellent grip and torque transmission, reducing tool slippage during installation.
  • Class 5g6g thread fit guarantees consistent, secure fastening with M6x1 coarse threads for quick assembly.
  • Compliance with ISO 7379, RoHS 3, and REACH ensures adherence to international standards for safety and environmental regulations.
  • Rockwell B83 hardness enhances durability and wear resistance, minimizing deformation in high-stress applications.

Professional Applications & Engineering Value

This M6x1 shoulder screw is engineered from 18-8 Stainless Steel to address common industrial challenges such as corrosion and misalignment. The 8mm shoulder diameter with precise tolerances acts as a reliable pivot or spacer in machinery, reducing wear on components and ensuring accurate positioning. Its knurled socket head and hex drive design provide secure tool engagement, preventing stripping in high-torque scenarios. Ideal for applications in automation, automotive, and precision equipment, this ISO 7379 compliant fastener delivers consistent performance in demanding environments, supported by its high tensile strength and corrosion-resistant properties.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit with M6x1 coarse threads, ensuring dimensional accuracy per ISO 7379. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm for precise engineering. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and industrial applications.

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