S-90265A120 M2 Shoulder Screws

Shoulder Screws

0543FA00018 Shoulder Screws
0543FA00018 Shoulder Screws

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

Part No.
Part No. 0543FA00018
Equivalent to mcmaster :
90265A120

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 40 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M2
Thread Pitch 0.4 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
  • High torque transmission capability through the 2mm hex socket drive, preventing tool slippage during installation
  • Precise component alignment enabled by the 3mm shoulder diameter with tight tolerance control
  • Excellent mechanical strength with 70,000 psi tensile strength and Rockwell B83 hardness for demanding applications
  • Reliable thread engagement with Class 5g6g metric coarse threads ensuring consistent fastening performance
  • Enhanced grip and handling thanks to the knurled head texture, even with gloved hands
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing standards

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional value in applications requiring exact component positioning and reliable fastening. The 18-8 stainless steel composition provides excellent corrosion resistance, making it suitable for electronics, medical devices, and automation equipment where environmental exposure is a concern. The 40mm shoulder length with controlled tolerance ensures precise axial location of moving parts, while the hex socket head with 2mm drive size allows for high-torque installation without damaging the fastener. The Class 5g6g thread fit and coarse thread spacing enable quick assembly and disassembly while maintaining vibration resistance in dynamic applications. These engineering features combine to solve common industrial challenges of misalignment, corrosion-induced failure, and assembly inefficiency.

Specification Summary & Compliance

This M2 shoulder screw features precision metric thread specifications with 0.4mm pitch and Class 5g6g thread fit tolerance. The shoulder diameter maintains -0.072 to -0.01 mm tolerance with shoulder length controlled within 0 to 0.25 mm variation. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring restricted substance compliance.

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