IP68 Nylon Sealing Plug, Waterproof Round Head Blanking Plug

Our IP68 Nylon Sealing Plug is designed to safely and effectively seal unused threaded holes. The round head provides a low-profile, waterproof, and dust-proof closure for any equipment.


Technical Parameter


  • Product Type: Round Head Nylon Sealing Plug / Blanking Plug
  • Body Material: Nylon
  • O-Ring Material: NBR (Nitrile Rubber) or EPDM (Weathering Resistance Rubber)
  • Ingress Protection: IP68 (with O-ring)
  • Static Temperature: -40°C to +100°C (short term to 120°C)
  • Dynamic Temperature: -20°C to +80°C (short term to 100°C)
  • Thread Types: M (Metric), PG
  • Colors: Black (RAL 9005), Light Gray (RAL 7035), custom colors available

Key Features

  • IP68 Waterproof & Dustproof: When used with an O-ring, it provides the highest level of protection, ensuring a completely sealed closure that protects against dust and long-term water immersion.
  • Low-Profile Round Head: The circular head (often slotted) provides a flush, aesthetic finish, ideal for applications where a protruding hex head is not desired.
  • Durable Nylon Material: Made from high-quality Nylon (PA66), offering excellent resistance to corrosion and common solvents in a lightweight design.
  • High-Performance Seals: Available with NBR or EPDM O-rings to ensure a reliable seal across a wide temperature range.
  • Easy Installation: Can be easily installed or removed with a standard screwdriver, providing a quick and simple solution for sealing unused ports.

IP68 Nylon Sealing Plug, Waterproof Round Head Blanking Plug

Metric Thread Product Number Thread Length
GL (mm)
Thread O.D.
AG(mm)
Total height

OL (mm)

Excircle

(mm)

M12 × 1.5 NSCM12 8.5 12 12.5 15
M16 × 1.5 NSCM16 8.5 16 13.0 19
M18 × 1.5 NSCM18 9.0 18 13.0 22
M20 × 1.5 NSCM20 9.0 20 13.0 25
M22 × 1.5 NSCM22 10.5 22 15.0 27
M25 × 1.5 NSCM25 10.5 25 15.5 33
M27 × 1.5 NSCM27 10.5 27 16.0 38
M32 × 1.5 NSCM32 11.5 32 18.0 46
M40 × 1.5 NSCM40 13.5 40 19.0 56
M63 × 1.5 NSCM63 14.0 63 19.0 68
Screw Thread Product Number Thread Length
GL (mm)
Thread O.D.
AG(mm)
Total height

OL (mm)

Excircle

(mm)

PG7 NSCPG7 8.5 12.5 12.5 15
PG9 NSCPG9 8.5 15.2 13.0 19
PG11 NSCPG11 9.0 18.6 13.0 22
PG13.5 NSCPG13.5 9.0 20.4 13.0 25
PG16 NSCPG16 10.5 22.5 15.0 27
PG21 NSCPG21 10.5 28.3 15.5 33
PG29 NSCPG29 11.5 37 16.0 44
PG36 NSCPG36 13.5 47 18.0 55
PG42 NSCPG42 13.5 54 18.5 62
PG48 NSCPG48 14.5 59.3 19.5 68
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