S-90265A683 M6 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00281 Shoulder Screws
0543FA00281 Shoulder Screws

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

Part No.
Part No. 0543FA00281
Equivalent to mcmaster :
90265A683

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 10 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.
  • High mechanical strength offering 70,000 psi tensile and 45,000 psi shear strength for reliable load-bearing applications.
  • Precise alignment and secure positioning with a 10mm shoulder length and 8mm diameter, minimizing component misalignment.
  • Easy installation and removal using a standard 4mm hex drive and knurled head for improved grip.
  • Accurate thread engagement with Class 5g6g thread fit and M6x1mm coarse pitch, ensuring consistent fastening.
  • Compliance with international standards including ISO 7379, RoHS 3, and REACH for quality and environmental safety.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical assembly challenges in demanding sectors such as machinery, automation, and precision equipment. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, while the black oxide finish enhances surface durability and reduces friction. The socket head design with a knurled texture allows for secure tool engagement and easy handling in confined spaces. With a 10mm shoulder length and precise Class 5g6g thread fit, it ensures accurate component alignment and reduces wear from rotational movement. Ideal for applications requiring high tensile and shear strength, this screw supports robust performance in industrial settings, from conveyor systems to robotic arms, by minimizing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. It adheres to ISO 7379 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality consistency for industrial use.

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