Overview
This DIN 25201 lock washer is engineered for critical bolted connections where vibration loosening is a primary concern. Manufactured from premium 316L stainless steel and hardened for exceptional strength, it delivers reliable, long-term performance in corrosive and high-stress environments. The precision-engineered dual-wave design creates a consistent and secure self-locking action, maintaining clamp load and joint integrity without marring the surfaces of the assembled components.
Key Features
Constructed from corrosion-resistant 316L stainless steel Surface hardened to a minimum of 520 HV0.05 for wear resistance DIN 25201 compliant dual-wave, self-locking design Prevents fastener loosening caused by vibration and thermal cycling Non-marring action protects flange and fastener surfaces Ideal for use in high-temperature and chemically aggressive settings
Specifications
System of Measurement: Metric Material Grade/Class: 316L Stainless Steel
Material
Stainless Steel Thread Size: M18 Finish: Hardened Shaft/Bore Diameter: NL-18 SS Thickness: 0.063 inches Package Quantity: 6 washers
Applications
Pump and valve assemblies in chemical processing Food and beverage processing equipment Marine and offshore hardware installations Structural connections in high-vibration machinery Heat exchanger and boiler flanges General industrial maintenance and repair
