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Open-End Pipe Caps

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Open-End Pipe Caps, are a pipe cap that protects external threads on pipe ends, rigid metal conduit ends (RMC) or intermediate metal conduit ends (IMC).

Our pipe thread cap range is made from Low Density Polyethylene (LDPE). The Pipe Thread Protector Caps are sized and designed for positive-gripping power over the threads of the pipe.

  • Colors: Black, Blue, Green, Orange, Red and Yellow.

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24 results
Product SKUs information
Item Code Price range Availability Compatible Thread Standard (All) Compatible Nominal Pipe Sizes (All) View
$0.153 - $1.9125 92 In stock
IMC
1-1/2 in
$0.1913 - $0.743 6000 In stock
IMC
2.0 in
RRO5A $1.736 - $23.1262 1800 In stock
RMC
5.0 in
$0.137 - $1.7066 17527 In stock
IMC
1-1/4 in
$0.4209 - $4.9935 3866 In stock
IMC
2-1/2 in
$0.0659 - $0.8209 In production
IMC
3/4 in
$5.5021 - $15.5057 630 In stock
RMC
10 in
$0.8231 - $10.9117 6643 In stock
IMC
4.0 in
$0.0833 - $1.1033 17391 In stock
RMC
1.0 in
$0.5118 - $6.7658 7764 In stock
IMC
3.0 in
$2.9717 - $39.1617 932 In stock
RMC
8 in
$0.7291 - $9.6325 5572 In stock
IMC
3-1/2 in
$0.153 - $1.9125 3884 In stock
RMC
1-1/2 in
$0.3777 - $4.9935 38669 In stock
RMC
2-1/2 in
RRO4A $0.7595 - $10.0686 62659 In stock
RMC
4.0 in
$0.137 - $1.7066 In production
RMC
1-1/4 in
$0.0883 - $1.1033 272 In stock
IMC
1.0 in
$0.0659 - $0.8209 In production
RMC
3/4 in
$0.0471 - $0.5871 42109 In stock
IMC
1/2 in
$0.7159 - $9.4574 6225 In stock
RMC
3-1/2 in
  • of 2
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1-1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 48 mm | 1.890 in

RRO1-1/2B

Price Range
$1.9125 - $0.153

Stock Levels
92 In stock
Attributes
  • Inside Diameter
    1.890 in
  • Inside Height
    1.030 in
  • Color
    Yellow
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 2.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 60.3 mm | 2.375 in

RRO2E

Price Range
$0.743 - $0.1913

Stock Levels
6000 In stock
Attributes
  • Inside Diameter
    2.375 in
  • Inside Height
    1.157 in
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    2.0 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 5.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 140.5 mm | 5.531 in

RRO5A

Price Range
$23.1262 - $1.736

Stock Levels
1800 In stock
Attributes
  • Inside Diameter
    5.531 in
  • Inside Height
    1.870 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    5.0 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1-1/4 in ; Compatible Thread Standard - IMC ; Inside Diameter - 42 mm | 1.653 in

RRO1-1/4C

Price Range
$1.7066 - $0.137

Stock Levels
17527 In stock
Attributes
  • Inside Diameter
    1.653 in
  • Inside Height
    0.980 in
  • Color
    Green
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 2-1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 73.4 mm | 2.891 in

RRO2-1/2B

Price Range
$4.9935 - $0.4209

Stock Levels
3866 In stock
Attributes
  • Inside Diameter
    2.891 in
  • Inside Height
    1.580 in
  • Color
    Yellow
  • Compatible Nominal Pipe Sizes (All)
    2-1/2 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3/4 in ; Compatible Thread Standard - IMC ; Inside Diameter - 26.6 mm | 1.048 in

RRO3/4C

Price Range
$0.8209 - $0.0659

Stock Levels
In production
Attributes
  • Inside Diameter
    1.048 in
  • Inside Height
    0.747 in
  • Color
    Green
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 10 in ; Compatible Thread Standard - RMC ; Inside Diameter - 275.6 mm | 10.850 in

RRO10A

Price Range
$15.5057 - $5.5021

Stock Levels
630 In stock
Attributes
  • Inside Diameter
    10.850 in
  • Inside Height
    2.410 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    10 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 4.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 115.1 mm | 4.530 in

RRO4C

Price Range
$10.9117 - $0.8231

Stock Levels
6643 In stock
Attributes
  • Inside Diameter
    4.530 in
  • Inside Height
    1.870 in
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    4.0 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 33.1 mm | 1.305 in

RRO1A

Price Range
$1.1033 - $0.0833

Stock Levels
17391 In stock
Attributes
  • Inside Diameter
    1.305 in
  • Inside Height
    0.940 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    1.0 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 88 mm | 3.465 in

RRO3C

Price Range
$6.7658 - $0.5118

Stock Levels
7764 In stock
Attributes
  • Inside Diameter
    3.465 in
  • Inside Height
    1.750 in
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    3.0 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 8 in ; Compatible Thread Standard - RMC ; Inside Diameter - 219.1 mm | 8.625 in

RRO8A

Price Range
$39.1617 - $2.9717

Stock Levels
932 In stock
Attributes
  • Inside Diameter
    8.625 in
  • Inside Height
    2.210 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    8 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3-1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 101.9 mm | 4.010 in

RRO3-1/2B

Price Range
$9.6325 - $0.7291

Stock Levels
5572 In stock
Attributes
  • Inside Diameter
    4.010 in
  • Inside Height
    1.750 in
  • Color
    Yellow
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1-1/2 in ; Compatible Thread Standard - RMC ; Inside Diameter - 48 mm | 1.890 in

RRO1-1/2A

Price Range
$1.9125 - $0.153

Stock Levels
3884 In stock
Attributes
  • Inside Diameter
    1.890 in
  • Inside Height
    1.030 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 2-1/2 in ; Compatible Thread Standard - RMC ; Inside Diameter - 73.4 mm | 2.891 in

RRO2-1/2A

Price Range
$4.9935 - $0.3777

Stock Levels
38669 In stock
Attributes
  • Inside Diameter
    2.891 in
  • Inside Height
    1.580 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    2-1/2 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 4.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 115.1 mm | 4.530 in

RRO4A

Price Range
$10.0686 - $0.7595

Stock Levels
62659 In stock
Attributes
  • Inside Diameter
    4.530 in
  • Inside Height
    1.870 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    4.0 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1-1/4 in ; Compatible Thread Standard - RMC ; Inside Diameter - 42 mm | 1.653 in

RRO1-1/4A

Price Range
$1.7066 - $0.137

Stock Levels
In production
Attributes
  • Inside Diameter
    1.653 in
  • Inside Height
    0.980 in
  • Color
    Red
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 33.1 mm | 1.305 in

RRO1D

Price Range
$1.1033 - $0.0883

Stock Levels
272 In stock
Attributes
  • Inside Diameter
    1.305 in
  • Inside Height
    0.940 in
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    1.0 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3/4 in ; Compatible Thread Standard - RMC ; Inside Diameter - 26.6 mm | 1.048 in

RRO3/4A

Price Range
$0.8209 - $0.0659

Stock Levels
In production
Attributes
  • Inside Diameter
    1.048 in
  • Inside Height
    0.747 in
  • Color
    Red
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 21.2 mm | 0.835 in

RRO1/2B

Price Range
$0.5871 - $0.0471

Stock Levels
42109 In stock
Attributes
  • Inside Diameter
    0.835 in
  • Inside Height
    0.750 in
  • Color
    Yellow
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Compatible Thread Standard
    IMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3-1/2 in ; Compatible Thread Standard - RMC ; Inside Diameter - 101.9 mm | 4.010 in

RRO3-1/2A

Price Range
$9.4574 - $0.7159

Stock Levels
6225 In stock
Attributes
  • Inside Diameter
    4.010 in
  • Inside Height
    1.750 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 6.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 167.3 mm | 6.586 in

RRO6A

Price Range
$27.2328 - $2.0653

Stock Levels
8340 In stock
Attributes
  • Inside Diameter
    6.586 in
  • Inside Height
    2.180 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    6.0 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 1/2 in ; Compatible Thread Standard - RMC ; Inside Diameter - 21.2 mm | 0.835 in

RRO1/2C

Price Range
$0.5871 - $0.0471

Stock Levels
110000 In stock
Attributes
  • Inside Diameter
    0.835 in
  • Inside Height
    0.750 in
  • Color
    Black
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 2.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 60.3 mm | 2.375 in

RRO2A

Price Range
$2.3833 - $0.1811

Stock Levels
60907 In stock
Attributes
  • Inside Diameter
    2.375 in
  • Inside Height
    1.157 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    2.0 in
  • Compatible Thread Standard
    RMC
Open-End Pipe Cap - Compatible Nominal Pipe Sizes (All) - 3.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 88 mm | 3.465 in

RRO3A

Price Range
$6.7658 - $0.5118

Stock Levels
64917 In stock
Attributes
  • Inside Diameter
    3.465 in
  • Inside Height
    1.750 in
  • Color
    Blue
  • Compatible Nominal Pipe Sizes (All)
    3.0 in
  • Compatible Thread Standard
    RMC