S-90269A496 M4 Shoulder Screws

Shoulder Screws

0546FA00278 Shoulder Screws
0546FA00278 Shoulder Screws

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

Part No.
Part No. 0546FA00278
Equivalent to mcmaster :
90269A496

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 9 mm
Head Height 4 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 5 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 60 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Length 5 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 2.5 mm

Material & Strength

Material 316 Stainless Steel
Finish Black Oxide
Hardness Rockwell B79
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 316 Stainless Steel construction, ideal for harsh environments and extended service life.
  • Enhanced durability and wear resistance from the Black Oxide finish, providing a protective layer against abrasion.
  • Precise alignment and secure component location enabled by the 60mm shoulder with controlled diameter tolerance.
  • High-strength performance with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliability under load.
  • Secure, tamper-resistant fastening using the 2.5mm hex socket drive and knurled head for improved grip during installation.
  • Accurate and reliable thread engagement with Class 5g6g fit and M4x0.7mm coarse thread for quick assembly.
  • Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and pivot point requirements in industrial applications. The 316 Stainless Steel material offers excellent resistance to chemicals and moisture, preventing failure in corrosive settings. The 60mm shoulder length with a precise diameter ensures components like gears, bearings, or linkages are accurately positioned and rotate freely without thread contact, reducing wear. The Black Oxide finish adds a layer of protection against friction and oxidation, while the hex socket drive and knurled head allow for secure, high-torque installation in confined spaces. Ideal for machinery, automation, and precision assemblies, this screw delivers long-term reliability and reduces maintenance needs.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing precise engineering control. Manufactured from 316 Stainless Steel with a Black Oxide finish, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industrial use.

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