S-93856A242 M6 Shoulder Screws

Shoulder Screws

0543FA00338 Shoulder Screws
0543FA00338 Shoulder Screws

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

Part No.
Part No. 0543FA00338
Equivalent to mcmaster :
93856A242

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

Choose a Shoulder Length 4-49.75 mm
Shoulder Diameter 8 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length Tolerance -0.05 to 0.05 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 B55
Tensile Strength 70000 psi
Minimum Shear Strength 35000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
  • High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for demanding load-bearing applications.
  • Precise thread engagement with Class 5g6g metric thread fit ensuring reliable fastening and vibration resistance.
  • Secure and easy installation via a 4 mm hex drive and knurled head for enhanced grip and reduced tool slippage.
  • Accurate component alignment with a consistent 8 mm shoulder diameter and tight tolerances for precise assembly.
  • Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries.
  • Versatile length options with shoulder lengths from 4 to 49.75 mm to accommodate various design requirements.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for applications in moist or chemically aggressive environments. Its Class 5g6g thread with a 1 mm coarse pitch ensures quick assembly and high resistance to loosening under vibration, which is essential in machinery, automotive, and electronics manufacturing. The knurled socket head and 4 mm hex drive allow for secure torque application, reducing the risk of stripping and improving maintenance efficiency. With a robust shoulder diameter of 8 mm and precise tolerances, it serves as an ideal pivot, spacer, or locating pin in precision equipment, enhancing overall assembly accuracy and reliability.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M6 x 1 mm coarse thread and Class 5g6g thread fit for consistent performance. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is -0.05 to 0.05 mm, ensuring high dimensional accuracy. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B55 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.

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