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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
$0.0485 - $0.6041 115087 In stock
IMC
1/2 in
$0.7367 - $9.7317 4265 In stock
RMC
3-1/2 in
$2.1252 - $28.0226 4 In stock
RMC
6.0 in
$0.0485 - $0.6041 50000 In stock
RMC
1/2 in
RRO2A $0.1864 - $2.4524 174660 In stock
RMC
2.0 in
$0.5266 - $6.962 113341 In stock
RMC
3.0 in
$0.1574 - $1.968 78279 In stock
RMC
1-1/2 in
$0.3887 - $5.1383 25500 In stock
RMC
2-1/2 in
RRO4A $0.7815 - $10.3606 15719 In stock
RMC
4.0 in
$0.141 - $1.7561 66639 In stock
RMC
1-1/4 in
$0.0909 - $1.1353 83772 In stock
IMC
1.0 in
$0.0678 - $0.8447 463960 In stock
RMC
3/4 in
$0.0857 - $1.1353 312000 In stock
RMC
1.0 in
$0.5266 - $6.962 7653 In stock
IMC
3.0 in
$3.0579 - $40.2974 1324 In stock
RMC
8 in
$5.6617 - $15.9554 600 In stock
RMC
10 in
$0.7502 - $9.9118 5572 In stock
IMC
3-1/2 in
$0.847 - $11.2281 6572 In stock
IMC
4.0 in
$0.1574 - $1.968 51292 In stock
IMC
1-1/2 in
$0.1968 - $0.7645 137000 In stock
IMC
2.0 in
  • of 2
N/A - Compatible Nominal Pipe Sizes (All) - 1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 21.2 mm | 0.835 in

RRO1/2B

Price Range
$0.6041 - $0.0485

Stock Levels
115087 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
N/A - 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
$9.7317 - $0.7367

Stock Levels
4265 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
N/A - Compatible Nominal Pipe Sizes (All) - 6.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 167.3 mm | 6.586 in

RRO6A

Price Range
$28.0226 - $2.1252

Stock Levels
4 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
N/A - Compatible Nominal Pipe Sizes (All) - 1/2 in ; Compatible Thread Standard - RMC ; Inside Diameter - 21.2 mm | 0.835 in

RRO1/2C

Price Range
$0.6041 - $0.0485

Stock Levels
50000 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
N/A - Compatible Nominal Pipe Sizes (All) - 2.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 60.3 mm | 2.375 in

RRO2A

Price Range
$2.4524 - $0.1864

Stock Levels
174660 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
N/A - Compatible Nominal Pipe Sizes (All) - 3.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 88 mm | 3.465 in

RRO3A

Price Range
$6.962 - $0.5266

Stock Levels
113341 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
N/A - 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
$1.968 - $0.1574

Stock Levels
78279 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
N/A - 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
$5.1383 - $0.3887

Stock Levels
25500 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
N/A - Compatible Nominal Pipe Sizes (All) - 4.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 115.1 mm | 4.530 in

RRO4A

Price Range
$10.3606 - $0.7815

Stock Levels
15719 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
N/A - 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
$1.7561 - $0.141

Stock Levels
66639 In stock
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
N/A - Compatible Nominal Pipe Sizes (All) - 1.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 33.1 mm | 1.305 in

RRO1D

Price Range
$1.1353 - $0.0909

Stock Levels
83772 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
N/A - Compatible Nominal Pipe Sizes (All) - 3/4 in ; Compatible Thread Standard - RMC ; Inside Diameter - 26.6 mm | 1.048 in

RRO3/4A

Price Range
$0.8447 - $0.0678

Stock Levels
463960 In stock
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
N/A - Compatible Nominal Pipe Sizes (All) - 1.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 33.1 mm | 1.305 in

RRO1A

Price Range
$1.1353 - $0.0857

Stock Levels
312000 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
N/A - Compatible Nominal Pipe Sizes (All) - 3.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 88 mm | 3.465 in

RRO3C

Price Range
$6.962 - $0.5266

Stock Levels
7653 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
N/A - Compatible Nominal Pipe Sizes (All) - 8 in ; Compatible Thread Standard - RMC ; Inside Diameter - 219.1 mm | 8.625 in

RRO8A

Price Range
$40.2974 - $3.0579

Stock Levels
1324 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
N/A - Compatible Nominal Pipe Sizes (All) - 10 in ; Compatible Thread Standard - RMC ; Inside Diameter - 275.6 mm | 10.850 in

RRO10A

Price Range
$15.9554 - $5.6617

Stock Levels
600 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
N/A - 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
$9.9118 - $0.7502

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
N/A - Compatible Nominal Pipe Sizes (All) - 4.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 115.1 mm | 4.530 in

RRO4C

Price Range
$11.2281 - $0.847

Stock Levels
6572 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
N/A - 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
$1.968 - $0.1574

Stock Levels
51292 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
N/A - Compatible Nominal Pipe Sizes (All) - 2.0 in ; Compatible Thread Standard - IMC ; Inside Diameter - 60.3 mm | 2.375 in

RRO2E

Price Range
$0.7645 - $0.1968

Stock Levels
137000 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
N/A - Compatible Nominal Pipe Sizes (All) - 5.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 140.5 mm | 5.531 in

RRO5A

Price Range
$23.7969 - $1.7863

Stock Levels
1080 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
N/A - 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
$1.7561 - $0.141

Stock Levels
27 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
N/A - 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
$5.1383 - $0.4331

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
N/A - Compatible Nominal Pipe Sizes (All) - 3/4 in ; Compatible Thread Standard - IMC ; Inside Diameter - 26.6 mm | 1.048 in

RRO3/4C

Price Range
$0.8447 - $0.0678

Stock Levels
53961 In stock
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