S-90265A103 M1.6 Shoulder Screws

Shoulder Screws

0543FA00004 Shoulder Screws
0543FA00004 Shoulder Screws

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

Part No.
Part No. 0543FA00004
Equivalent to mcmaster :
90265A103

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 5 mm
Head Height 2 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 3 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 6 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M1.6
Thread Pitch 0.35 mm
Thread Spacing Coarse
Thread Length 4 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 2 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
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 industrial environments
  • Precise component alignment ensured by the 3mm shoulder diameter and 6mm shoulder length for stable assemblies
  • High mechanical strength with 70,000 PSI tensile and 45,000 PSI shear resistance for demanding applications
  • Secure and easy installation using the 2mm hex socket drive and knurled head for improved grip
  • Reliable thread performance with Class 5g6g fit and coarse M1.6x0.35mm metric thread for quick assembly
  • Durable long-term use supported by Rockwell B83 hardness and robust stainless steel material
  • Compliance with environmental standards including RoHS 3 and REACH for safe, regulated use

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and stability challenges in industrial assemblies. The 18-8 stainless steel material provides excellent resistance to corrosion and wear, making it suitable for electronics, machinery, and automotive components where exposure to moisture or chemicals is a concern. The knurled head and hex socket drive allow for secure tool engagement, reducing slippage during installation. With its 3mm shoulder diameter and 6mm shoulder length, it ensures exact positioning of parts, minimizing misalignment and vibration in high-precision applications. The Class 5g6g thread fit and coarse metric thread facilitate efficient assembly while maintaining structural integrity under stress, offering a reliable solution for engineers seeking durability and performance in compact designs.

Specification Summary & Compliance

This M1.6x0.35mm 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, ensuring consistent fit in metric applications. Threads conform to Class 5g6g standards for reliable engagement. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety requirements for industrial use.

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