S-94241A520 4.4 mm ID x 7 mm OD DIN 7980 Split Lock Washers for Socket Head Screws

Split Lock Washers for Socket Head Screws

1311FA00058 Split Lock Washers for Socket Head Screws
1311FA00058 Split Lock Washers for Socket Head Screws

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

Part No.
Part No. 1311FA00058
Equivalent to mcmaster :
94241A520

Basic Information

System of Measurement Metric
Washer Type Split Lock
Specifications Met DIN 7980

Dimension Parameters

ID 4.4 mm
OD 7 mm
Thickness 1.1-1.3 mm

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size M4

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant

Special Type Parameters

Split Lock Washer Type Standard
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 vibration resistance from the split lock design, preventing fastener loosening in dynamic industrial environments
  • Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh or marine applications
  • Precise M4 screw compatibility with 4.4mm ID ensuring secure fit and reliable performance in metric assemblies
  • DIN 7980 standard compliance guaranteeing dimensional accuracy and interchangeability in European machinery
  • Optimized spring action from 1.1-1.3mm thickness range providing consistent tension and reusability
  • Full regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
  • Compact 7mm OD design allowing installation in confined spaces without compromising locking effectiveness

Professional Applications & Engineering Value

This M4 split lock washer delivers critical engineering solutions where vibration-induced fastener failure is a primary concern. Manufactured from 316 stainless steel, it provides superior corrosion resistance compared to standard grades, making it indispensable for chemical processing, marine equipment, and food machinery applications. The split lock washer type creates continuous spring tension that compensates for thermal expansion and mechanical stress, maintaining clamp load integrity in high-cycle operations. Compliant with DIN 7980 specifications, these metric lock washers ensure precise dimensional consistency for automated assembly systems. The combination of vibration-resistant performance and corrosion-resistant properties makes this component vital for reducing maintenance frequency and improving equipment reliability in demanding industrial environments.

Specification Summary & Compliance

This split lock washer features metric dimensions with 4.4mm ID, 7mm OD, and 1.1-1.3mm thickness range. Manufactured to DIN 7980 specifications for dimensional precision and performance reliability. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications across global markets.

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