S-90265A314 M8 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00171 Shoulder Screws
0543FA00171 Shoulder Screws

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

Part No.
Part No. 0543FA00171
Equivalent to mcmaster :
90265A314

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 16 mm
Head Height 7 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 10 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 80 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Length 13 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 5 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
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

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
  • Precise component alignment ensured by the 80mm shoulder with a tight diameter tolerance of -0.072 to -0.01 mm, reducing assembly errors.
  • High mechanical strength offering 70,000 psi tensile and 45,000 psi minimum shear strength for demanding applications.
  • Secure and efficient installation using a 5mm hex drive and knurled head for superior grip and torque application.
  • Reliable thread engagement with Class 5g6g fit and coarse M8x1.25 thread, providing robust fastening in various materials.
  • Compliance with international standards including ISO 7379, ensuring consistent quality and interchangeability.
  • Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations for safe and sustainable use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The extended 80mm shoulder length acts as a precise pivot or spacer, eliminating the need for additional components and reducing assembly time. Manufactured from 18-8 Stainless Steel, it provides excellent corrosion resistance, making it suitable for machinery, automotive, and electronic applications exposed to moisture or chemicals. The Class 5g6g thread fit and coarse thread pitch ensure quick and secure fastening, while the knurled head and 5mm hex drive allow for high-torque installation without slippage. Its compliance with ISO 7379 guarantees dimensional consistency, supporting seamless integration in global supply chains.

Specification Summary & Compliance

This metric shoulder screw features an M8x1.25 coarse thread with a Class 5g6g thread fit and a shoulder diameter tolerance of -0.072 to -0.01 mm. It is manufactured to ISO 7379 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring it is free from hazardous substances and suitable for various industrial applications.

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