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High Temperature Masking Plugs
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High Temperature Tapered Plugs

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High Temperature Tapered Plugs are available as a solid plug or with a hollow core to aid in the compression to fit threaded or unthreaded holes. Its tapered design enables the plug to expand and adapt to the shape of the hole as it is heated, ensuring a firm and tight fit even at high temperatures. Its hardness and strength block gas, water, or chemicals from entering pipes or tubes. These reusable plugs come in a premium high temp silicone material or an economical reduced temp EPDM material.

Silicone: high-quality masking material that can withstand temperatures up to 600F | 316C. EDPM is a reusable and somewhat less expensive material, making it slightly less resistant to high temperatures but of superior chemical resistance. It can withstand temperatures up to 425F | 218C. Used in chemical, machining applications and industrial equipment.

  • Material: Silicone, EPDM
  • Colour: Yellow, Blue, Red, Purple, Green, Grey, Pink, Black, Natural

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Product SKUs information
Item Code Price range Availability Maximum Taper Diameter Minimum Taper Diameter Temperature Range View
$2.9651 - $19.1186 33496 In stock
1.693 in
1.417 in
600 °F
$3.4158 - $22.1307 400 In stock
1.810 in
1.496 in
600 °F
$4.5068 - $29.1756 949 In stock
2.086 in
1.770 in
600 °F
$5.9064 - $38.2604 482 In stock
2.480 in
1.968 in
600 °F
$7.1397 - $46.2774 2948 In stock
2.677 in
2.283 in
600 °F
$16.343 - $105.648 2420 In stock
3.543 in
2.953 in
600 °F
$37.9518 - $118.9074 4883 In stock
5.000 in
3.543 in
600 °F
$0.0696 - $0.4295 3445 In stock
0.250 in
0.125 in
425 °F
$0.2729 - $1.6913 795 In stock
0.500 in
0.125 in
425 °F
$0.0878 - $0.5433 14745 In stock
0.343 in
0.187 in
425 °F
$0.1826 - $1.1267 31390 In stock
0.437 in
0.250 in
425 °F
$0.2351 - $1.5204 2245 In stock
0.472 in
0.354 in
425 °F
$0.7806 - $5.0525 779 In stock
1.024 in
0.787 in
425 °F
$0.9701 - $6.2858 240 In stock
1.102 in
0.945 in
425 °F
$1.3286 - $8.6103 400 In stock
1.338 in
1.063 in
425 °F
$1.6772 - $10.8401 450 In stock
1.456 in
1.188 in
425 °F
$1.8836 - $12.1685 199 In stock
1.614 in
1.300 in
425 °F
$2.3721 - $15.347 312 In stock
1.772 in
1.457 in
425 °F
$2.9888 - $19.3791 96 In stock
1.968 in
1.653 in
425 °F
$3.7005 - $23.8859 1065 In stock
2.203 in
1.875 in
425 °F
    • of 8
Masking Tapered Plug - Minimum Compatible Hole Diameter - 36 mm | 1.417 in; Maximum Compatible Hole Diameter - 43 mm | 1.693 in; Push Fit; Silicone

STP141169A

Price Range
$19.1186 - $2.9651

Stock Levels
33496 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    1.417 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 38 mm | 1.496 in; Maximum Compatible Hole Diameter - 46 mm | 1.810 in; Push Fit; Silicone

STP149181A

Price Range
$22.1307 - $3.4158

Stock Levels
400 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    1.496 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 45 mm | 1.770 in; Maximum Compatible Hole Diameter - 53 mm | 2.086 in; Push Fit; Silicone

STP177208A

Price Range
$29.1756 - $4.5068

Stock Levels
949 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    1.770 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 50 mm | 1.968 in; Maximum Compatible Hole Diameter - 63 mm | 2.480 in; Push Fit; Silicone

STP196248A

Price Range
$38.2604 - $5.9064

Stock Levels
482 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    1.968 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 58 mm | 2.283 in; Maximum Compatible Hole Diameter - 68 mm | 2.677 in; Push Fit; Silicone

STP228267A

Price Range
$46.2774 - $7.1397

Stock Levels
2948 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    2.283 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 75 mm | 2.953 in; Maximum Compatible Hole Diameter - 90 mm | 3.543 in; Push Fit; Silicone

STP295354A

Price Range
$105.648 - $16.343

Stock Levels
2420 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    2.953 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 90 mm | 3.543 in; Maximum Compatible Hole Diameter - 127 mm | 5.000 in; Push Fit; Silicone

STP354500A

Price Range
$118.9074 - $37.9518

Stock Levels
4883 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Minimum Taper Diameter
    3.543 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 3.2 mm | 0.125 in; Maximum Compatible Hole Diameter - 6.4 mm | 0.250 in; Push Fit; EPDM

STP012025D

Price Range
$0.4295 - $0.0696

Stock Levels
3445 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    Metric Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 3.2 mm | 0.125 in; Maximum Compatible Hole Diameter - 12.7 mm | 0.500 in; Push Fit; EPDM

STP012050-20B

Price Range
$1.6913 - $0.2729

Stock Levels
795 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Minimum Taper Diameter
    0.125 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 4.7 mm | 0.187 in; Maximum Compatible Hole Diameter - 8.7 mm | 0.343 in; Push Fit; EPDM

STP018034D

Price Range
$0.5433 - $0.0878

Stock Levels
14745 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    Metric Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 6.4 mm | 0.250 in; Maximum Compatible Hole Diameter - 11.1 mm | 0.437 in; Push Fit; EPDM

STP025043C

Price Range
$1.1267 - $0.1826

Stock Levels
31390 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    Metric Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 9 mm | 0.354 in; Maximum Compatible Hole Diameter - 12 mm | 0.472 in; Push Fit; EPDM

STP035047B

Price Range
$1.5204 - $0.2351

Stock Levels
2245 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 20 mm | 0.787 in; Maximum Compatible Hole Diameter - 26 mm | 1.024 in; Push Fit; EPDM

STP078102B

Price Range
$5.0525 - $0.7806

Stock Levels
779 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 24 mm | 0.945 in; Maximum Compatible Hole Diameter - 28 mm | 1.102 in; Push Fit; EPDM

STP094110C

Price Range
$6.2858 - $0.9701

Stock Levels
240 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Minimum Taper Diameter
    0.945 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 27 mm | 1.063 in; Maximum Compatible Hole Diameter - 34 mm | 1.338 in; Push Fit; EPDM

STP106134B

Price Range
$8.6103 - $1.3286

Stock Levels
400 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 30 mm | 1.180 in; Maximum Compatible Hole Diameter - 37 mm | 1.456 in; Push Fit; EPDM

STP118145B

Price Range
$10.8401 - $1.6772

Stock Levels
450 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 33 mm | 1.300 in; Maximum Compatible Hole Diameter - 41 mm | 1.614 in; Push Fit; EPDM

STP130161B

Price Range
$12.1685 - $1.8836

Stock Levels
199 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Minimum Taper Diameter
    1.300 in
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 37 mm | 1.457 in; Maximum Compatible Hole Diameter - 45 mm | 1.772 in; Push Fit; EPDM

STP145177C

Price Range
$15.347 - $2.3721

Stock Levels
312 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 42 mm | 1.653 in; Maximum Compatible Hole Diameter - 50 mm | 1.968 in; Push Fit; EPDM

STP165196B

Price Range
$19.3791 - $2.9888

Stock Levels
96 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Compatible Thread Standard
    UNC Threads
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Masking Tapered Plug - Minimum Compatible Hole Diameter - 48 mm | 1.890 in; Maximum Compatible Hole Diameter - 56 mm | 2.203 in; Push Fit; EPDM

STP189220C

Price Range
$23.8859 - $3.7005

Stock Levels
1065 In stock
Attributes
  • Plug Style
    Solid
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer
  • Colour
    Black
  • Minimum Taper Diameter
    1.875 in
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