S-94361A558 M10 Shoulder Screws

Shoulder Screws

0538FA00161 Shoulder Screws
0538FA00161 Shoulder Screws

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

Part No.
Part No. 0538FA00161
Equivalent to mcmaster :
94361A558

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 18 mm
Head Height 9 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 12 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 20 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M10
Thread Pitch 1.5 mm
Thread Spacing Coarse
Thread Length 9 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 6 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

  • Exceptional durability and load-bearing capacity with alloy steel construction providing 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications.
  • Superior corrosion resistance from the black oxide finish, extending service life in harsh industrial environments and reducing maintenance frequency.
  • Precise component alignment and secure positioning thanks to the 12mm shoulder diameter with tight tolerance control (-0.072 to -0.01 mm) and 20mm shoulder length.
  • Secure, slip-resistant installation enabled by the knurled socket head and 6mm hex drive, ensuring proper torque application and reducing tool slippage.
  • Consistent thread engagement and interchangeability with Class 5g6g thread fit and M10x1.5 coarse pitch metric threading meeting industry standards.
  • Compliance with global environmental regulations including RoHS 3 and REACH, making them suitable for international industrial supply chains.

Professional Applications & Engineering Value

This M10 shoulder screw delivers critical engineering value in precision assembly applications where component alignment and rotational control are paramount. The alloy steel construction with Rockwell C32 hardness withstands high shear and tensile loads in machinery, automation systems, and fixture designs. The black oxide finish provides essential corrosion protection in manufacturing environments while maintaining dimensional stability. The 12mm shoulder diameter with controlled tolerance acts as a precision pivot or spacer, eliminating the need for additional bushings in conveyor systems, robotic arms, and precision tooling. The knurled socket head with 6mm hex drive ensures vibration-resistant installation in confined spaces, reducing assembly time and improving maintenance accessibility.

Specification Summary & Compliance

Manufactured to metric standards with Class 5g6g thread fit tolerance for consistent engagement. Shoulder diameter tolerance: -0.072 to -0.01 mm; shoulder length tolerance: 0 to 0.25 mm. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as steel alloying element and REACH (EC 1907/2006) regulations as of 01/17/2023. Thread specifications: M10x1.5mm coarse pitch, right-hand thread direction.

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