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 Ingress Protection Rating 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

Despatched within 1 working day - 4 in stockBack-order availability date - 06/11/2026
1+ £11.01
10+ £10.69
50+ £10.38
Price per unit Ex VAT 		49mm 49mm Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 3 in stockBack-order availability date - 06/11/2026
1+ £13.47
10+ £13.10
50+ £12.73
Price per unit Ex VAT 		55mm 55mm Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 11 in stockBack-order availability date - 06/11/2026
1+ £6.98
10+ £6.77
50+ £6.56
Price per unit Ex VAT 		28mm 28mm Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 3 in stockBack-order availability date - 06/11/2026
1+ £15.58
10+ £15.15
50+ £14.72
Price per unit Ex VAT 		64mm 64mm Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 2 in stockBack-order availability date - 06/11/2026
1+ £20.69
10+ £18.94
50+ £17.34
Price per unit Ex VAT 		79mm 79mm Diameter Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 4 in stockBack-order availability date - 06/11/2026
1+ £7.47
10+ £7.25
50+ £7.03
Price per unit Ex VAT 		32mm 32mm Hole Plug Polycarbonate IP66 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

Despatched within 1 working day - 29 in stockBack-order availability date - 06/11/2026
1+ £8.46
10+ £8.21
50+ £7.97
Price per unit Ex VAT 		41mm 41mm Hole Plug Polycarbonate IP66 Light Grey Neoprene/EDPM gasket HPN4PC

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