Plica Hexagon Lock Nut PG21 Polyamide Light Grey GGM PG21 PA 6

The Plica GGM PG21 PA 6 is a high-quality hexagonal lock nut (counter nut) made from polyamide (PA 6) in light grey (RAL 7035). Designed for PG21 threaded connections, it securely fastens cable glands, conduit fittings, and other threaded components in electrical and industrial installations. Its robust construction and excellent chemical resistance make it suitable for demanding environments.

Advantages

This lock nut offers reliable locking performance, preventing loosening due to vibration or thermal expansion. The polyamide material provides electrical insulation, is halogen-free, and has a UL94-V2 flammability rating. It is lightweight yet durable, with good resistance to oils, greases, weak acids, and alkalis. The hexagonal shape allows easy installation with standard tools.

Suitable for

• Securing PG21 cable glands in junction boxes, control panels, and machinery
• Fixing conduit fittings and threaded connectors in electrical installations
• Use in industrial automation, lighting, and HVAC systems
• Applications requiring non-metallic, corrosion-resistant fasteners

Key specifications

• Thread Standard: PG (Panzergewinde) per DIN 40430
• Thread Size: PG21
• Material: Polyamide (PA 6)
• Colour: Light Grey (RAL 7035)
• Design: Hexagonal
• Across Flats (AF): 36 mm
• Nut Thickness: 8 mm
• Operating Temperature Range: -30°C to +100°C
• Flammability Rating: UL94-V2
• Halogen-Free: Yes
• RoHS Compliant: Yes

Recommendations

For optimal performance, pair this lock nut with compatible PG21 cable glands and accessories. Ensure the thread is clean and apply appropriate torque during installation. Suitable for indoor and outdoor use where moderate UV resistance is acceptable.