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Threaded Protection Plugs - NPT Threads

In stock

Threaded Protection Plugs for NPT Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It may be installed by hand or with a 12-point socket head, screwdriver or wrench. This threaded plug is suggested for usage where strength and abrasion resistance are required since it can tolerate temperatures ranging from -40F to 230F | -40C to 110C. Suitable for Metric threads. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: HDPE, PA, Nylon
  • Colour: Red, Natural, Blue, Black

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38 results
Product SKUs information
Item Code Price range Availability Pitch Diameter Compatible Thread Sizes Overall Diameter Colour Material Overall Height View
1.3724 RM - 2.6605 RM 1519 In stock
33.3 mm
Natural
Nylon
24.1 mm
0.6462 RM - 1.2541 RM 3000 In stock
14.3 mm
Blue
HDPE
20.6 mm
0.364 RM - 0.7059 RM 3044 In stock
18.8 mm
Black
HDPE
15.7 mm
0.7346 RM - 1.4244 RM 625 In stock
19.1 mm
Blue
HDPE
22.2 mm
0.7472 RM - 1.4483 RM 4994 In stock
21.6 mm
Natural
Nylon
17 mm
0.8667 RM - 1.6814 RM 62459 In stock
18.4 mm
Red
HDPE
12.7 mm
1.122 RM - 2.174 RM 1710 In stock
17.4 mm
Natural
Nylon
22.2 mm
1.2642 RM - 2.4513 RM 1450 In stock
23.8 mm
Natural
Nylon
22.2 mm
5.828 RM - 11.3015 RM 15206 In stock
41.0 mm
Natural
PA
2.4346 RM - 4.721 RM 685 In stock
13.0 mm
Natural
PA
1.7872 RM - 3.4639 RM 20 In stock
38.9 mm
Natural
Nylon
24.1 mm
0.4118 RM - 0.7962 RM 15020 In stock
21.6 mm
Black
HDPE
17 mm
0.7454 RM - 1.4453 RM 1368 In stock
33.3 mm
Black
HDPE
24.1 mm
0.6402 RM - 1.2415 RM 1148 In stock
17.4 mm
Blue
HDPE
22.2 mm
0.5069 RM - 0.9821 RM 637 In stock
26.4 mm
Black
HDPE
20.8 mm
0.3341 RM - 0.6485 RM 19013 In stock
14.2 mm
Black
HDPE
12.7 mm
1.3826 RM - 2.6821 RM 500 In stock
28.5 mm
Blue
HDPE
22.2 mm
0.899 RM - 1.743 RM 2700 In stock
14.3 mm
Natural
Nylon
20.6 mm
0.7035 RM - 1.3634 RM 5000 In stock
11.1 mm
Natural
PA GF
19.1 mm
0.4423 RM - 0.8584 RM 3550 In stock
8.7 mm
Blue
HDPE
17.4 mm
  • of 2
Threaded Protection Plug - 1.310 in ; 3/4-14 ; Nylon ; Natural

PFP3/4C

Price Range
2.6605 RM - 1.3724 RM

Stock Levels
1519 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    33.3 mm
  • Overall Height
    24.1 mm
Threaded Protection Plug - 0.562 in ; 1/2-14 ; HDPE ; Blue

R1/2A

Price Range
1.2541 RM - 0.6462 RM

Stock Levels
3000 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    14.3 mm
  • Overall Height
    20.6 mm
Threaded Protection Plug - 0.740 in ; 1/4-18 ; HDPE ; Black

PFP1/4A

Price Range
0.7059 RM - 0.364 RM

Stock Levels
3044 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    18.8 mm
  • Overall Height
    15.7 mm
Threaded Protection Plug - 0.750 in ; 1-11-1/2 ; HDPE ; Blue

R1A

Price Range
1.4244 RM - 0.7346 RM

Stock Levels
625 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    19.1 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 0.850 in ; 3/8-18 ; Nylon ; Natural

PFP3/8C

Price Range
1.4483 RM - 0.7472 RM

Stock Levels
4994 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    21.6 mm
  • Overall Height
    17 mm
Threaded Protection Plugs - NPT Threads - 18.4 mm ; 1/4-18 ; HDPE ; Red

PT1/4A

Price Range
1.6814 RM - 0.8667 RM

Stock Levels
62459 In stock
Attributes
  • Colour
    Red
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    18.4 mm
  • Overall Height
    12.7 mm
Threaded Protection Plug - 0.687 in ; 3/4-14 ; Nylon ; Natural

R3/4B

Price Range
2.174 RM - 1.122 RM

Stock Levels
1710 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    17.4 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 0.937 in ; 1-1/4-11-1/2 ; Nylon ; Natural

R1-1/4C

Price Range
2.4513 RM - 1.2642 RM

Stock Levels
1450 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    23.8 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 41.0 mm ; 1 ; PA ; Natural

075100000001

Price Range
11.3015 RM - 5.828 RM

Stock Levels
15206 In stock
Attributes
  • Colour
    Natural
  • Material
    PA
  • Compatible Thread Standard
    GAS
  • Overall Diameter
    41.0 mm
Threaded Protection Plug - 13.0 mm ; 1/8 ; PA ; Natural

075012500001

Price Range
4.721 RM - 2.4346 RM

Stock Levels
685 In stock
Attributes
  • Colour
    Natural
  • Material
    PA
  • Compatible Thread Standard
    GAS
  • Overall Diameter
    13.0 mm
Threaded Protection Plug - 1.530 in ; 1-11-1/2 ; Nylon ; Natural

PFP1C

Price Range
3.4639 RM - 1.7872 RM

Stock Levels
20 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    38.9 mm
  • Overall Height
    24.1 mm
Threaded Protection Plug - 0.850 in ; 3/8-18 ; HDPE ; Black

PFP3/8A

Price Range
0.7962 RM - 0.4118 RM

Stock Levels
15020 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    21.6 mm
  • Overall Height
    17 mm
Threaded Protection Plug - 1.310 in ; 3/4-14 ; HDPE ; Black

PFP3/4A

Price Range
1.4453 RM - 0.7454 RM

Stock Levels
1368 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    33.3 mm
  • Overall Height
    24.1 mm
Threaded Protection Plug - 0.687 in ; 3/4-14 ; HDPE ; Blue

R3/4A

Price Range
1.2415 RM - 0.6402 RM

Stock Levels
1148 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    17.4 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 1.040 in ; 1/2-14 ; HDPE ; Black

PFP1/2A

Price Range
0.9821 RM - 0.5069 RM

Stock Levels
637 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    26.4 mm
  • Overall Height
    20.8 mm
Threaded Protection Plug - 0.560 in ; 1/8-27 ; HDPE ; Black

PFP1/8A

Price Range
0.6485 RM - 0.3341 RM

Stock Levels
19013 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    14.2 mm
  • Overall Height
    12.7 mm
Threaded Protection Plug - 1.124 in ; 1-1/2-11-1/2 ; HDPE ; Blue

R1-1/2A

Price Range
2.6821 RM - 1.3826 RM

Stock Levels
500 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    28.5 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 0.562 in ; 1/2-14 ; Nylon ; Natural

R1/2D

Price Range
1.743 RM - 0.899 RM

Stock Levels
2700 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    14.3 mm
  • Overall Height
    20.6 mm
Threaded Protection Plug - 0.437 in ; 3/8 ; PA GF ; Natural

R3/8B

Price Range
1.3634 RM - 0.7035 RM

Stock Levels
5000 In stock
Attributes
  • Colour
    Natural
  • Material
    PA GF
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    11.1 mm
  • Overall Height
    19.1 mm
Threaded Protection Plug - 0.343 in ; 1/4-18 ; HDPE ; Blue

R1/4A

Price Range
0.8584 RM - 0.4423 RM

Stock Levels
3550 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    8.7 mm
  • Overall Height
    17.4 mm
Threaded Protection Plug - 16.0 mm ; 1/4 ; PA ; Natural

075025000001

Price Range
5.0252 RM - 2.5912 RM

Stock Levels
218 In stock
Attributes
  • Colour
    Natural
  • Material
    PA
  • Compatible Thread Standard
    GAS
  • Overall Diameter
    16.0 mm
Threaded Plug NPT 1-11-1/2 HDPE Red

PT1A

Price Range
1.8303 RM - 0.9444 RM

Stock Levels
7680 In stock
Attributes
  • Colour
    Red
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    39.8 mm
  • Overall Height
    12.7 mm
Threaded Protection Plug - 0.437 in ; 3/8-18 ; HDPE ; Blue

R3/8A

Price Range
1.1524 RM - 0.5942 RM

Stock Levels
2979 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    11.1 mm
  • Overall Height
    19.1 mm
Threaded Protection Plug - 53.0 mm ; 1-1/4 ; PA ; Natural

075125000001

Price Range
8.4538 RM - 7.6296 RM

Stock Levels
71 In stock
Attributes
  • Colour
    Natural
  • Material
    PA
  • Compatible Thread Standard
    GAS
  • Overall Diameter
    53.0 mm
Threaded Protection Plug - 0.740 in ; 1/4-18 ; Nylon ; Natural

PFP1/4C

Price Range
1.1447 RM - 0.5906 RM

Stock Levels
5016 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    18.8 mm
  • Overall Height
    15.7 mm
Threaded Protection Plug - 1.530 in ; 1-11-1/2 ; HDPE ; Black

PFP1A

Price Range
1.8715 RM - 0.9659 RM

Stock Levels
919 In stock
Attributes
  • Colour
    Black
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    38.9 mm
  • Overall Height
    24.1 mm
Threaded Protection Plug - 0.281 in ; 1/8-27 ; HDPE ; Blue

R1/8A

Price Range
1.0395 RM - 0.5362 RM

Stock Levels
8298 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    7.1 mm
  • Overall Height
    15.9 mm
Threaded Protection Plug - 0.750 in ; 1-11-1/2 ; Nylon ; Natural

R1B

Price Range
1.9594 RM - 1.0114 RM

Stock Levels
900 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    19.1 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 0.281 in ; 1/8 ; PA GF ; Natural

R1/8C

Price Range
0.9815 RM - 0.5069 RM

Stock Levels
33131 In stock
Attributes
  • Colour
    Natural
  • Material
    PA GF
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    7.1 mm
  • Overall Height
    15.9 mm
Threaded Protection Plug - 21.0 mm ; 3/8 ; PA ; Natural

075037500001

Price Range
6.1681 RM - 3.1812 RM

Stock Levels
70 In stock
Attributes
  • Colour
    Natural
  • Material
    PA
  • Compatible Thread Standard
    GAS
  • Overall Diameter
    21.0 mm
Threaded Plug NPT 1/2-14 HDPE Red

PT1/2A

Price Range
1.1943 RM - 0.6163 RM

Stock Levels
12356 In stock
Attributes
  • Colour
    Red
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    28.5 mm
  • Overall Height
    12.7 mm
Threaded Protection Plug - 1.250 in ; 2-11-1/2 ; HDPE ; Blue

R2A

Price Range
3.0305 RM - 1.5631 RM

Stock Levels
2900 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    31.8 mm
  • Overall Height
    22.2 mm
Threaded Protection Plug - 0.937 in ; 1-1/4-11-1/2 ; HDPE ; Blue

R1-1/4A

Price Range
2.0514 RM - 1.0586 RM

Stock Levels
500 In stock
Attributes
  • Colour
    Blue
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    23.8 mm
  • Overall Height
    22.2 mm
Threaded Plug NPT 3/4 HDPE Red

PT3/4C

Price Range
1.1787 RM - 0.6085 RM

Stock Levels
14271 In stock
Attributes
  • Colour
    Red
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    33.0 mm
  • Overall Height
    12.7 mm
Threaded Plug NPT 3/8-18 HDPE Red

PT3/8A

Price Range
1.1614 RM - 0.5989 RM

Stock Levels
18626 In stock
Attributes
  • Colour
    Red
  • Material
    HDPE
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    22.9 mm
  • Overall Height
    12.7 mm
Threaded Protection Plug - 1.040 in ; 1/2-14 ; Nylon ; Natural

PFP1/2C

Price Range
1.8536 RM - 0.9558 RM

Stock Levels
3018 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    26.4 mm
  • Overall Height
    20.8 mm
Threaded Protection Plug - 0.343 in ; 1/4 ; PA GF ; Natural

R1/4C

Price Range
1.1453 RM - 0.5906 RM

Stock Levels
9000 In stock
Attributes
  • Colour
    Natural
  • Material
    PA GF
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    8.7 mm
  • Overall Height
    17.4 mm
Threaded Protection Plug - 0.560 in ; 1/8-27 ; Nylon ; Natural

PFP1/8C

Price Range
1.0263 RM - 0.5296 RM

Stock Levels
5020 In stock
Attributes
  • Colour
    Natural
  • Material
    Nylon
  • Compatible Thread Standard
    NPT
  • Overall Diameter
    14.2 mm
  • Overall Height
    12.7 mm