S-94361A583 M2 Shoulder Screws

Shoulder Screws

0538FA00183 Shoulder Screws
0538FA00183 Shoulder Screws

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

Part No.
Part No. 0538FA00183
Equivalent to mcmaster :
94361A583

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 25 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 3 mm
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 1.5 mm

Material & Strength

Material Alloy Steel
Finish Black Oxide
Hardness Rockwell C32
Tensile Strength 140000 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

  • Enhanced Durability – Alloy steel construction with Rockwell C32 hardness provides superior wear resistance and longevity in demanding industrial applications.
  • Precision Alignment – 25mm shoulder length with tight tolerance (+0.25mm) ensures accurate component positioning and reduces assembly errors.
  • High Tensile Strength – 140,000 psi tensile strength guarantees reliable performance under heavy loads and vibration.
  • Corrosion Resistance – Black oxide finish offers excellent protection against rust and extends service life in harsh environments.
  • Secure Fastening – Class 6g thread fit with M2x0.4mm coarse thread ensures consistent, vibration-resistant connections.
  • Easy Installation – Hex socket drive (1.5mm) and knurled head design allow for quick, slip-resistant tightening with standard tools.
  • Regulatory Compliance – Meets RoHS 3 and REACH standards, ensuring safe use in global markets and sensitive applications.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The alloy steel material, combined with a black oxide finish, resists corrosion and wear in automated machinery, electronics, and optical devices. The 25mm shoulder length with minimal tolerance provides a stable bearing surface, preventing lateral movement and reducing stress on threaded components. With a Class 6g thread fit and coarse M2x0.4mm thread, it ensures rapid assembly and reliable performance in high-vibration environments. Ideal for industrial shoulder screw applications, it supports precise rotational or linear motion systems where misalignment can lead to equipment failure.

Specification Summary & Compliance

The screw features a Class 6g thread fit per metric standards, with shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for high dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. Manufactured to precise metric thread specifications, it guarantees consistent performance in technical applications.

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