IP66 Non-Metallic Hole Plugs

Hammond Brand: Hammond

The Hammond Type 4X HPN4PC Series Hole Plugs are designed to seal unused pushbutton holes, conduit openings or knock-out holes against the ingress of dust, oil and water.

Compatible with enclosure wall thickness of 1.6mm to 6.35mm.

Recognised component for use with UL & CSA listed enclosures, Type 1, 3, 3R, 4, 4X.

  • RAL7035 Light Grey
  • Moulded Polycarbonate
  • Neoprene/EPDM Gasket
  • Self centring, anti-rotational design
  • Easy one person installation
  • No tools required

Available in 7 sizes.

Designed to maintain the IP66/NEMA 4X rating of Enclosures once fitted.

Description Image Product Buy Pricing (Ex VAT) Enclosure Width Diameter 79mm Type Material Colour External Features Series
Hammond HP100PCLG IP66 Non-Metallic Hole Plug 49mm Diameter
Hammond HP100PCLG IP66 Non-Metallic Hole Plug 49mm Diameter
Standard range
Order code: 31-1798
MPN: HP100PCLG

4 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £14.39
Price per unit Ex VAT 		49mm 49mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP125PCLG IP66 Non-Metallic Hole Plug 55mm Diameter
Hammond HP125PCLG IP66 Non-Metallic Hole Plug 55mm Diameter
Standard range
Order code: 31-1800
MPN: HP125PCLG

4 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £14.78
Price per unit Ex VAT 		55mm 55mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP12PCLG IP66 Non-Metallic Hole Plug 28mm Diameter
Hammond HP12PCLG IP66 Non-Metallic Hole Plug 28mm Diameter
Standard range
Order code: 31-1802
MPN: HP12PCLG

11 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £9.31
Price per unit Ex VAT 		28mm 28mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP150PCLG IP66 Non-Metallic Hole Plug 64mm Diameter
Hammond HP150PCLG IP66 Non-Metallic Hole Plug 64mm Diameter
Standard range
Order code: 31-1803
MPN: HP150PCLG

3 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £18.66
Price per unit Ex VAT 		64mm 64mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP200PCLG IP66 Non-Metallic Hole Plug 79mm Diameter
Hammond HP200PCLG IP66 Non-Metallic Hole Plug 79mm Diameter
Standard range
Order code: 31-1805
MPN: HP200PCLG

2 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £26.75
Price per unit Ex VAT 		79mm 79mm Diameter Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP50PCLG IP66 Non-Metallic Hole Plug 32mm Diameter
Hammond HP50PCLG IP66 Non-Metallic Hole Plug 32mm Diameter
Standard range
Order code: 31-1808
MPN: HP50PCLG

6 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £11.41
Price per unit Ex VAT 		32mm 32mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC
Hammond HP75PCLG IP66 Non-Metallic Hole Plug 41mm Diameter
Hammond HP75PCLG IP66 Non-Metallic Hole Plug 41mm Diameter
Standard range
Order code: 31-1810
MPN: HP75PCLG

29 in stock, despatched in 1 working daysBack-order availability date - 18/04/2026
1+ £12.28
Price per unit Ex VAT 		41mm 41mm Hole Plug Polycarbonate Light Grey Neoprene/EDPM gasket HPN4PC


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