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Expansion Sealing Plugs - Inch

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These imperial-sized expansion sealing plugs are intended to offer efficient, high-pressure sealing of apertures or cavities, obstructing the entry of dust, moisture, air and gas.

The expander ball is inserted into the plug sleeve. The plug ball's separate grooved sealing rings are pushed into the housing. It stays in place with the ball pressed up against the counterbore shoulder.

It is simple to install since it does not need tapping, reaming, machining of O-ring grooves, or using tapes or sealants. Commonly used in applications, including fluid power systems, pneumatic systems, hydraulic systems, industrial and valves.

  • Material: Plug body: case hardened steel (zinc-plated), stainless steel or aluminium
  • Ball: heat-treated bearing steel or stainless steel

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Product SKUs information
Item Code Price range Availability Ball Material Plug Type l2 d2 +0.004|-0.000 Body Material l1 d1 View
Request the lead time here
303 Stainless Steel
Short
0.12"
0.0937"
Aluminium
0.098"
0.0937"
Request the lead time here
Steel
Short
0.16"
0.1250"
Zinc Plated Steel
0.125"
0.1250"
Request the lead time here
303 Stainless Steel
Short
0.17"
0.1562"
Aluminium
0.125"
0.1562"
Request the lead time here
Steel
Short
0.17"
0.1562"
Zinc Plated Steel
0.125"
0.1562"
Request the lead time here
303 Stainless Steel
Short
0.24"
0.1875"
Aluminium
0.187"
0.1875"
Request the lead time here
Steel
Short
0.25"
0.2187"
Zinc Plated Steel
0.187"
0.2187"
Request the lead time here
303 Stainless Steel
Short
0.35"
0.2812"
303 Stainless Steel
0.225"
0.2812"
Request the lead time here
Steel
Short
0.35"
0.2812"
303 Stainless Steel
0.225"
0.2812"
Request the lead time here
303 Stainless Steel
Short
0.35"
0.2812"
Aluminium
0.225"
0.2812"
Request the lead time here
303 Stainless Steel
Short
0.39"
0.3125"
Aluminium
0.280"
0.3125"
Request the lead time here
316 Stainless Steel
Short
0.43"
0.3437"
316 Stainless Steel
0.307"
0.3437"
Request the lead time here
Steel
Short
0.52"
0.4062"
Zinc Plated Steel
0.365"
0.4062"
Request the lead time here
Steel
Standard
0.21"
0.1562"
Zinc Plated Steel
0.157"
0.1562"
Request the lead time here
Steel
Standard
0.28"
0.1875"
303 Stainless Steel
0.216"
0.1875"
Request the lead time here
316 Stainless Steel
Standard
0.28"
0.2187"
316 Stainless Steel
0.220"
0.2187"
Request the lead time here
303 Stainless Steel
Standard
0.34"
0.2500"
Aluminium
0.256"
0.2500"
Request the lead time here
303 Stainless Steel
Standard
0.40"
0.2812"
Aluminium
0.295"
0.2812"
Request the lead time here
Steel
Standard
0.40"
0.2812"
Zinc Plated Steel
0.295"
0.2812"
Request the lead time here
303 Stainless Steel
Standard
0.46"
0.3125"
303 Stainless Steel
0.334"
0.3125"
Request the lead time here
316 Stainless Steel
Standard
0.53"
0.3437"
316 Stainless Steel
0.394"
0.3437"
    • of 6
Expansion Sealing Plug 0.0937" 0.098" Aluminium

20207953


Stock Levels
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Attributes
  • Plug Type
    Short
  • d1
    0.0937"
  • l1
    0.098"
  • l2
    0.12"
  • d2 +0.004|-0.000
    0.0937"
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Expansion Sealing Plug 0.1250" 0.125" Zinc Plated Steel

20208004


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.1250"
  • l1
    0.125"
  • l2
    0.16"
  • d2 +0.004|-0.000
    0.1250"
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Expansion Sealing Plug 0.1562" 0.125" Aluminium

20208042


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.1562"
  • l1
    0.125"
  • l2
    0.17"
  • d2 +0.004|-0.000
    0.1562"
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Expansion Sealing Plug 0.1562" 0.125" Zinc Plated Steel

20208059


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.1562"
  • l1
    0.125"
  • l2
    0.17"
  • d2 +0.004|-0.000
    0.1562"
Quick View
View Product >
Expansion Sealing Plug 0.1875" 0.187" Aluminium

20208097


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.1875"
  • l1
    0.187"
  • l2
    0.24"
  • d2 +0.004|-0.000
    0.1875"
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Expansion Sealing Plug 0.2187" 0.187" Zinc Plated Steel

20208158


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.2187"
  • l1
    0.187"
  • l2
    0.25"
  • d2 +0.004|-0.000
    0.2187"
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View Product >
Expansion Sealing Plug 0.2812" 0.225" 303 Stainless Steel

20208219


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.2812"
  • l1
    0.225"
  • l2
    0.35"
  • d2 +0.004|-0.000
    0.2812"
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View Product >
Expansion Sealing Plug 0.2812" 0.225" 303 Stainless Steel

20208226


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.2812"
  • l1
    0.225"
  • l2
    0.35"
  • d2 +0.004|-0.000
    0.2812"
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Expansion Sealing Plug 0.2812" 0.225" Aluminium

20208240


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Short
  • d1
    0.2812"
  • l1
    0.225"
  • l2
    0.35"
  • d2 +0.004|-0.000
    0.2812"
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View Product >
Expansion Sealing Plug 0.3125" 0.280" Aluminium

20208295


Stock Levels
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Attributes
  • Plug Type
    Short
  • d1
    0.3125"
  • l1
    0.280"
  • l2
    0.39"
  • d2 +0.004|-0.000
    0.3125"
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Expansion Sealing Plug 0.3437" 0.307" 316 Stainless Steel

20208332


Stock Levels
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Attributes
  • Plug Type
    Short
  • d1
    0.3437"
  • l1
    0.307"
  • l2
    0.43"
  • d2 +0.004|-0.000
    0.3437"
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Expansion Sealing Plug 0.4062" 0.365" Zinc Plated Steel

20208400


Stock Levels
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Attributes
  • Plug Type
    Short
  • d1
    0.4062"
  • l1
    0.365"
  • l2
    0.52"
  • d2 +0.004|-0.000
    0.4062"
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Expansion Sealing Plug 0.1562" 0.157" Zinc Plated Steel

20208424


Stock Levels
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Attributes
  • Plug Type
    Standard
  • d1
    0.1562"
  • l1
    0.157"
  • l2
    0.21"
  • d2 +0.004|-0.000
    0.1562"
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Expansion Sealing Plug 0.1875" 0.216" 303 Stainless Steel

20208448


Stock Levels
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Attributes
  • Plug Type
    Standard
  • d1
    0.1875"
  • l1
    0.216"
  • l2
    0.28"
  • d2 +0.004|-0.000
    0.1875"
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Expansion Sealing Plug 0.2187" 0.220" 316 Stainless Steel

20208509


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.2187"
  • l1
    0.220"
  • l2
    0.28"
  • d2 +0.004|-0.000
    0.2187"
Quick View
View Product >
Expansion Sealing Plug 0.2500" 0.256" Aluminium

20208561


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.2500"
  • l1
    0.256"
  • l2
    0.34"
  • d2 +0.004|-0.000
    0.2500"
Quick View
View Product >
Expansion Sealing Plug 0.2812" 0.295" Aluminium

20208615


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.2812"
  • l1
    0.295"
  • l2
    0.40"
  • d2 +0.004|-0.000
    0.2812"
Quick View
View Product >
Expansion Sealing Plug 0.2812" 0.295" Zinc Plated Steel

20208622


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.2812"
  • l1
    0.295"
  • l2
    0.40"
  • d2 +0.004|-0.000
    0.2812"
Quick View
View Product >
Expansion Sealing Plug 0.3125" 0.334" 303 Stainless Steel

20208639


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.3125"
  • l1
    0.334"
  • l2
    0.46"
  • d2 +0.004|-0.000
    0.3125"
Quick View
View Product >
Expansion Sealing Plug 0.3437" 0.394" 316 Stainless Steel

20208707


Stock Levels
Request the lead time here
Attributes
  • Plug Type
    Standard
  • d1
    0.3437"
  • l1
    0.394"
  • l2
    0.53"
  • d2 +0.004|-0.000
    0.3437"
Quick View
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