S-90265A638 M5 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00277 Shoulder Screws
0543FA00277 Shoulder Screws

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

Part No.
Part No. 0543FA00277
Equivalent to mcmaster :
90265A638

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 10 mm
Head Height 4.5 mm
Head Texture Smooth
Socket Head Profile Standard

Dimensions

Shoulder Diameter 6 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 30 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Length 10 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 3 mm

Material & Strength

Material 18-8 Stainless Steel
Finish Black Oxide
Hardness Rockwell B83
Tensile Strength 70000 psi
Minimum Shear Strength 45000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ISO 7379
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
  • High-strength performance offering 70,000 psi tensile and 45,000 psi shear strength for reliable, heavy-duty fastening.
  • Precise alignment and pivot function enabled by the 30mm shoulder with controlled diameter tolerance for smooth rotational movement.
  • Superior wear resistance and reduced galling due to the black oxide finish on the durable stainless steel.
  • Secure and tamper-resistant installation with a socket head and 3mm hex drive for high torque application in confined spaces.
  • Accurate and reliable thread engagement ensured by the M5x0.8 coarse thread with Class 5g6g fit, preventing loosening under vibration.
  • Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and regulatory acceptance.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and pivot challenges in precision machinery, automation systems, and heavy-duty industrial equipment. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, while the black oxide finish enhances durability and reduces friction in moving parts. The 30mm shoulder length with tight diameter tolerance ensures precise component location and smooth rotation, eliminating misalignment issues. With a Class 5g6g thread fit and coarse thread pitch, it offers quick assembly and reliable performance under dynamic loads, making it ideal for applications requiring high shear strength and long-term reliability in demanding environments.

Specification Summary & Compliance

This shoulder screw features an M5x0.8 metric coarse thread with Class 5g6g thread fit for precise tolerance. The shoulder diameter is 6 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 30 mm with a tolerance of 0 to 0.25 mm. It is manufactured in compliance with ISO 7379 standards and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations.

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