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Nord-Lock

Nord-Lock Original Wedge-Locking Washers, Steel (NL series)

Nord-Lock Original Wedge-Locking Washers, Steel (NL series)

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Description

Wedge-locking washer pair that secures bolted joints under severe vibration and dynamic load using tension instead of friction. Cam faces between the two washers rise more steeply than the bolt thread pitch, so any rotation of the fastener increases clamp. Through hardened steel with Delta Protekt zinc flake coating rated 1,000 hours salt spray, service from -50 to 200 C, for bolts up to grade 12.9. Regular outside diameter sizes cover M3 to M130, supplied as preassembled pairs.

  • Size range: M3 to M130 (#5 to 5 in) regular outside diameter
  • Part pattern: NL + bolt size (e.g. NL16)
  • Material: through hardened steel EN 1.7182, min 465 HV1
  • Coating: Delta Protekt KL100 zinc flake + VH 302 GZ topcoat, min 1,000 h salt spray (ISO 9227)
  • Temperature: -50 C to 200 C
  • Bolt grades: up to 12.9
  • Marking: laser marked with traceable batch number
  • Packaging: preassembled pairs; multi-pair packs (e.g. NL5: 20 pairs/pack)

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Shipping & Returns

  • Orders processed Mon-Fri. Complimentary lift gate service for freight shipments. Shipping
  • Unused items returnable within 30 days. Obtain a Return Merchandise Authorization (RMA) before returning. Returns

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Nord-Lock · PDF Technical data sheet Strengths, working time, yield and placement data from the manufacturer. View the TDS Nord-Lock Manufacturer product page Guides, approvals and the latest revisions from the source. Visit page