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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
$0.1616 - $2.0211 67959 In stock
RMC
1-1/2 in
$0.3992 - $5.277 35700 In stock
RMC
2-1/2 in
RRO4A $0.8026 - $10.6403 23080 In stock
RMC
4.0 in
$0.1448 - $1.8035 38456 In stock
RMC
1-1/4 in
$0.0934 - $1.166 7770 In stock
IMC
1.0 in
$0.0696 - $0.8675 355615 In stock
RMC
3/4 in
RRO2A $0.1914 - $2.5186 102460 In stock
RMC
2.0 in
$3.1405 - $41.3854 2174 In stock
RMC
8 in
$5.8146 - $16.3862 1800 In stock
RMC
10 in
$0.7705 - $10.1794 5572 In stock
IMC
3-1/2 in
$0.0498 - $0.6204 58887 In stock
IMC
1/2 in
$0.7566 - $9.9945 4265 In stock
RMC
3-1/2 in
$2.1826 - $28.7792 10857 In stock
RMC
6.0 in
$0.0498 - $0.6204 70000 In stock
RMC
1/2 in
$0.5408 - $7.15 65870 In stock
RMC
3.0 in
RRO5A $1.8345 - $24.4394 1920 In stock
RMC
5.0 in
$0.1616 - $2.0211 34892 In stock
IMC
1-1/2 in
$0.2021 - $0.7851 134900 In stock
IMC
2.0 in
$0.0696 - $0.8675 140500 In stock
IMC
3/4 in
$0.088 - $1.166 49200 In stock
RMC
1.0 in
  • of 2
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
$2.0211 - $0.1616

Stock Levels
67959 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
$5.277 - $0.3992

Stock Levels
35700 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
$10.6403 - $0.8026

Stock Levels
23080 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
$1.8035 - $0.1448

Stock Levels
38456 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
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
$1.166 - $0.0934

Stock Levels
7770 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
$0.8675 - $0.0696

Stock Levels
355615 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
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
$2.5186 - $0.1914

Stock Levels
102460 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) - 8 in ; Compatible Thread Standard - RMC ; Inside Diameter - 219.1 mm | 8.625 in

RRO8A

Price Range
$41.3854 - $3.1405

Stock Levels
2174 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) - 10 in ; Compatible Thread Standard - RMC ; Inside Diameter - 275.6 mm | 10.850 in

RRO10A

Price Range
$16.3862 - $5.8146

Stock Levels
1800 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) - 3-1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 101.9 mm | 4.010 in

RRO3-1/2B

Price Range
$10.1794 - $0.7705

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) - 1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 21.2 mm | 0.835 in

RRO1/2B

Price Range
$0.6204 - $0.0498

Stock Levels
58887 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
$9.9945 - $0.7566

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
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
$28.7792 - $2.1826

Stock Levels
10857 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
$0.6204 - $0.0498

Stock Levels
70000 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) - 3.0 in ; Compatible Thread Standard - RMC ; Inside Diameter - 88 mm | 3.465 in

RRO3A

Price Range
$7.15 - $0.5408

Stock Levels
65870 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
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
$24.4394 - $1.8345

Stock Levels
1920 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) - 1-1/2 in ; Compatible Thread Standard - IMC ; Inside Diameter - 48 mm | 1.890 in

RRO1-1/2B

Price Range
$2.0211 - $0.1616

Stock Levels
34892 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
$0.7851 - $0.2021

Stock Levels
134900 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) - 3/4 in ; Compatible Thread Standard - IMC ; Inside Diameter - 26.6 mm | 1.048 in

RRO3/4C

Price Range
$0.8675 - $0.0696

Stock Levels
140500 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
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
$1.166 - $0.088

Stock Levels
49200 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