S-90265A738 M8 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00293 Shoulder Screws
0543FA00293 Shoulder Screws

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

Part No.
Part No. 0543FA00293
Equivalent to mcmaster :
90265A738

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 14 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
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

  • Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
  • Enhanced durability and wear resistance with black oxide finish that reduces galling and provides consistent performance
  • High-strength reliability with 70,000 psi tensile strength and 45,000 psi shear strength for demanding applications
  • Precise alignment and spacing thanks to the 10mm shoulder diameter and 14mm shoulder length with controlled tolerances
  • Secure installation and removal with hex socket drive and knurled head for improved grip and torque application
  • Wide compatibility with Class 5g6g thread fit and M8x1.25mm coarse thread for quick assembly in various materials
  • Regulatory compliance assurance meeting ISO 7379, RoHS 3, and REACH standards for global industrial use

Professional Applications & Engineering Value

This M8 shoulder screw delivers exceptional engineering value in applications requiring precise component positioning and rotational control. The 18-8 stainless steel material provides excellent corrosion resistance, while the black oxide finish enhances surface durability and reduces friction during installation. The precisely machined 10mm shoulder diameter with tight tolerances ensures accurate alignment in machinery, automotive assemblies, and precision equipment. The coarse thread pitch (1.25mm) enables rapid installation in soft materials and reduces cross-threading risks. With Rockwell B83 hardness and 70,000 psi tensile strength, this fastener maintains structural integrity under vibration and heavy loads, making it ideal for rotating mechanisms, bearing mounts, and linkage systems where dimensional stability is critical.

Specification Summary & Compliance

This precision shoulder screw features M8x1.25mm coarse threading with Class 5g6g thread fit tolerance, ensuring reliable engagement in various applications. The shoulder diameter maintains -0.072 to -0.01 mm tolerance, while shoulder length tolerance is controlled at 0 to 0.25 mm for consistent performance. Manufactured to ISO 7379 specifications, this component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use across global industrial markets.

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