S-97258A105 M8 DIN 562 Square Nuts

Square Nuts

1057FA00004 Square Nuts
1057FA00004 Square Nuts

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

Part No.
Part No. 1057FA00004
Equivalent to mcmaster :
97258A105

Basic Information

System of Measurement Metric
Nut Type Square
Specifications Met DIN 562

Dimension Parameters

Width 13 mm
Height 4 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Direction Right Hand
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Drive Style External Square

Material & Strength Parameters

Material 18-8 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant
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 thanks to 18-8 stainless steel construction, ideal for harsh environments
  • Exceptional thread reliability with Class 6H thread fit ensuring secure, vibration-resistant connections
  • Easy installation and removal with external square drive design for standard tool compatibility
  • Durable performance in demanding applications with coarse thread pitch providing strong holding power
  • Global compliance assurance meeting DIN 562 standards for consistent quality and interchangeability
  • Environmental regulation compliance with RoHS 3 and REACH adherence for safe industrial use
  • Precision dimensional accuracy with 13mm width and 4mm height for perfect fit in assembly applications

Professional Applications & Engineering Value

This M8 square nut delivers exceptional engineering value in industrial settings where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel construction provides excellent protection against rust and chemical degradation, making it ideal for outdoor equipment, marine applications, and food processing machinery. The metric coarse thread with 1.25mm pitch ensures rapid assembly and disassembly while maintaining strong clamping force in high-vibration environments. The external square drive design allows for secure tool engagement, preventing slippage during torque application. Manufactured to DIN 562 specifications, this square nut guarantees dimensional consistency and reliable performance in machinery, structural frameworks, and automotive assemblies where precise thread fit is critical for operational safety.

Specification Summary & Compliance

This square nut features M8 x 1.25mm metric coarse thread with Class 6H thread fit tolerance per ISO standards, ensuring precise engagement with mating components. The nut conforms to DIN 562 manufacturing specifications for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. The right-hand thread direction and external square drive design provide standardized installation compatibility across industrial applications.

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