Nord-Lock WN16DPM20 Anti-Vibe Washer - Surface Hardened, Serrated - 316 Stainless Steel - Plain - 20 x 21.4 x 30.7 x 3 mm

Features

Maintains high clamp load and thereby ensures the function of the joint

Quick and easy to install and remove with standard tools

Locking function not affected by lubrication

Defined and uniform friction conditions which result in a more accurate preload

Same temperature characteristics as standard bolt/nut

Reusable

Washers are hardened and can support and distribute great loads

Washers with enlarged outer diameter available for flanged bolts/nuts

High corrosion resistance

Reliable locking, even for joints with short clamp length

Secures fasteners at both high and low preloads

No retightening required

Verifiable locking function

Two part system with wedge locking action

Will not come loose under vibration

Rise of the cams between the Nord-Lock® washers is greater than the pitch of the bolt

Zinc plated – Delta Protekt®

Applications

Suitable for use with fasteners up to grade 12.9 (ASTM A574)

Specifications

Complies with DIN 25201

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Catalogue Page Number: 36-65