S-93925A320 17 mm ID x 26 mm OD DIN 6797 Internal-Tooth Lock Washers

Internal-Tooth Lock Washers

1320FA00027 Internal-Tooth Lock Washers
1320FA00027 Internal-Tooth Lock Washers

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

Part No.
Part No. 1320FA00027
Equivalent to mcmaster :
93925A320

Basic Information

System of Measurement Metric
Washer Type Tooth Lock
Specifications Met DIN 6797

Dimension Parameters

ID 17 mm
OD 26 mm
Thickness 1.0-1.4 mm

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size M16

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant

Special Type Parameters

Tooth Location Internal
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 with internal teeth design that bites into mating surfaces to prevent loosening under dynamic loads
  • Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in harsh environments and industrial applications
  • Precision-engineered dimensions (17mm ID, 26mm OD) provide perfect fit for M16 fasteners and consistent performance
  • DIN 6797 compliance guarantees standardized quality and interchangeability in European mechanical assemblies
  • Environmentally compliant with RoHS 3 and REACH regulations for safe use in regulated industries
  • Optimal thickness range (1.0-1.4mm) balances spring action with space constraints in compact assemblies
  • Internal tooth location provides concentrated locking force directly on the fastener for maximum security

Professional Applications & Engineering Value

This M16 internal tooth lock washer delivers critical vibration-proof performance in demanding mechanical systems where fastener security is paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for applications exposed to moisture, chemicals, or outdoor elements. The internal tooth configuration creates multiple biting points that dig into both the fastener and bearing surface, effectively resisting rotational forces and maintaining clamp load in vibrating machinery, automotive assemblies, and industrial equipment. Engineered to DIN 6797 standards, this precision metric lock washer ensures dimensional consistency and reliable performance in European-designed machinery and global manufacturing applications where metric fasteners are specified.

Specification Summary & Compliance

This internal tooth lock washer features precise dimensional specifications with 17mm inner diameter, 26mm outer diameter, and 1.0-1.4mm thickness range. Manufactured in compliance with DIN 6797 standards for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for use in regulated industries and environmentally conscious applications.

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