
NGL25-B Black Nylon Locknut M25
NGL25-B
NGL25-B Black Nylon Locknut M25 – High-Performance Fastening for Reliable IP66 Electrical Installations
The NGL25-B Black Nylon Locknut provides a secure and weatherproof fastening solution for M25 cable glands. Built from tough nylon for long-lasting performance, it is ideal for general-purpose electrical installations where ingress protection and durability are essential.
- Heavy-Duty Nylon Construction: Engineered from strong polyamide for resistance to impact, corrosion, and wear.
- IP66 Protection Rating: Offers reliable dust and water resistance when paired with suitable glands and installed correctly.
- Secure Thread Fit: Locks firmly onto M25 threads, preventing loosening from vibration or external movement.
- Versatile Application: Suitable for standard commercial, industrial, and outdoor electrical installations.
- Multiple Colour Options: Supplied in Black, also available in Red, White, and Grey for colour-coded setups.
Technical Specification
- Material: Nylon (Polyamide)
- Thread Size: M25
- Ingress Protection: IP66 (when correctly installed)
- Colour: Black (Also available in Red, White, and Grey)
- Application: Locking cable glands securely to electrical enclosures
✅ Trust the NGL25-B Black Nylon Locknut for strong, IP66-rated fastening in your M25 cable gland installations!

Product | Gland |
Type | Lock Nut |
Colour | Black |
Diameter | 25 mm |
Material | Nylon |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.