Hydraulic Blanking Plugs

Hydraulic blanking plugs provide a temporary or permanent way of covering holes in high-pressure hydraulic devices. By sealing holes you can help to prevent leaks and ensure the device operates properly. Depending on their material, hydraulic blanking plugs are resistant to corrosion, oil and most chemicals. They have a threaded shaft and a flat head with a washer.

What are hydraulic blanking plugs used for?

Hydraulic blanking plugs are used in high pressure fluid applications such as presses, pumps, cylinders, valves, relays, motors, transmissions and turbos. Any blow-off or fault is prevented with a visible hydraulic bite rings on the progressive ring. Stress is evenly distributed throughout which minimises concentration at the bite point.

How to choose the right hydraulic blanking plugs

Hydraulic systems work at high pressures, applying extreme load and vibration to fittings. When choosing the right hydraulic blanking plugs, the technical specifications should be carefully considered. These factors include maximum temperature and pressure, as well as material. Steel hydraulic blanking plugs have a high resistance to corrosion, and plastic plugs are solvent, oil, grease and chemical resistant.


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Description Price Material Finish Head Hex Type Thread Length Overall Length Thread Standard Thread Size Maximum Operating Temperature Minimum Operating Temperature Maximum Operating Pressure
RS Stock No. 283-3363
Mfr. Part No.59821
TWD549.00
Each
units
Aluminium Matte Anodised - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 871-2253
Mfr. Part No.VSTI10X1EDCF
BrandParker
TWD115.00
Each
units
Steel Zinc Plated Hollow Hex 8mm 12mm Metric - - - 400 bar
RS Stock No. 283-3379
Mfr. Part No.58294
TWD38.00
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 1/8in +130°C -30°C -
RS Stock No. 283-3307
Mfr. Part No.58631
TWD62.00
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 498-312
Mfr. Part No.6PNK4S
BrandParker
TWD103.20
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated Hex Plug - - G 3/8in +120°C -40°C 380 bar
RS Stock No. 283-3357
Mfr. Part No.59811
TWD352.00
Each
units
Aluminium Matte Anodised - 11mm 18mm G 1/2in +130°C -30°C -
RS Stock No. 283-3385
Mfr. Part No.58295
TWD38.00
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 1/4in +130°C -30°C -
RS Stock No. 727-733
Mfr. Part No.VSTI1/4EDCF
BrandParker
TWD103.20
Each (In a Pack of 5)
units
Steel Zinc Plated - 12mm 17.3mm G 1/4in +100°C -30°C 400 bar
RS Stock No. 283-3391
Mfr. Part No.58296
TWD38.00
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 3/8in +130°C -30°C -
RS Stock No. 283-3414
Mfr. Part No.58297
TWD39.80
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 11mm 18mm G 1/2in +130°C -30°C -
RS Stock No. 914-9491
Mfr. Part No.58413
TWD161.00
Each
units
Polyamide Based Technopolymer Matte Hex Plug 15mm 26mm G 1-1/2in +100°C -30°C -
RS Stock No. 283-3420
Mfr. Part No.58298
TWD57.60
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 914-9494
Mfr. Part No.59721
TWD178.00
Each
units
Aluminium Black Anodised - 9mm 37.5mm G 1/4in +100°C -30°C -
RS Stock No. 871-2278
Mfr. Part No.VSTI18x1.5EDCF
BrandParker
TWD196.00
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3329
Mfr. Part No.59791
TWD399.00
Each
units
Aluminium Matte Anodised - 9mm 15.5mm G 1/4in +130°C -30°C -
RS Stock No. 498-340
Mfr. Part No.16PNK4S
BrandParker
TWD276.60
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated - - - G 1in +120°C -40°C 240 bar
RS Stock No. 914-9498
Mfr. Part No.59723
TWD272.00
Each
units
Aluminium Black Anodised - 9mm 38.5mm G 3/8in +100°C -30°C -
RS Stock No. 914-9508
Mfr. Part No.59725
TWD326.00
Each
units
Aluminium Black Anodised - 11mm 41.5mm G 1/2in +100°C -30°C -
RS Stock No. 498-334
Mfr. Part No.12PNK4S
BrandParker
TWD205.00
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated - - - G 3/4in +120°C -40°C 280 bar
RS Stock No. 498-306
Mfr. Part No.4PNK4S
BrandParker
TWD81.00
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated Hex Plug - - G 1/4in +120°C -40°C 450 bar