Nord-Lock X-series Washers (NLX series)

Wedge-locking washer pair with a conical spring shape that compensates for preload loss from settlement and relaxation while cam faces lock the bolt against rotation. Suited to joints with soft or coated mating surfaces, gaskets or short clamp lengths where standard hardware loses clamp force. Through hardened steel EN 1.7225 with Delta Protekt zinc flake coating, service from -40 to 150 C, for grade 8.8 and 10.9 bolts. Sizes NLX6 to NLX27 with sp large diameter versions; CE marked under ETA 19-0813.

• Size range: M6 to M27 (NLX6-NLX27, NLX6sp-NLX27sp)
• Material: through hardened steel EN 1.7225
• Coating: Delta Protekt KL100 zinc flake + VH 302 GZ, min 1,000 h salt spray
• Temperature: -40 C to 150 C
• Bolt grades: 8.8 and 10.9
• Certification: CE marked, ETA 19-0813
• Function: wedge locking plus conical spring compensation for settlement and relaxation
• Packaging: preassembled pairs