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Zinc Plated

Nord-Lock washers secure bolted joints with tension instead of friction. The system is comprised of a pair of washers that has cams on one side and radial teeth on the opposite side. Since the cam angle ‘a’ is greater than the thread pitch ‘ß’ a wedge effect is created by the cams, preventing the bolt from rotating loose.
• Maximum safety
• Resists loosening caused by vibration and dynamic loads
• Ease of assembly and disassembly
• Locking function is not affected by lubrication
• Positive locking at low and high preload levels
• Controllable preload
• Same temperature characteristics as standard bolt/nut
• Reusable
• Sold in pre-assembled pairs
• Available in 316SS standard, 316SS enlarged, zinc-plated standard, and zinc-plated enlarged
• Nord-Lock® washers with enlarged outer diameter are recommended for use on large/long holes, painted surfaces or soft materials, such as aluminum