Threaded Protection Caps - UNF/JIC Threads
In stock
Threaded Protection Caps for UNF /JIC 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 cap protects flared and flare less from contaminants like dirt, dust, debris, and moisture out of the hole.
Features a knurled head design that makes them easy to install and remove by hand by twisting them or pushing them in on the pipe or tube. They are ideal for UNF/JIC threads, and if you pick the yellow option, they are made of HDPE and have a long profile, which allows for more threading turns. It can withstand temperatures between Min. -30C, Max. +80C. The range of Protection caps can be used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.
Request a quote
For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 1 working days.
Filter or Search Variants
Use the filters or search below to find what you're looking for
Imperial
Metric
Sort by
None| Price range | Availability | Compatible Thread Sizes (All) | View | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| £ 0.0654 - £ 0.0654 | 10931 In stock |
3/8
|
|||||||||
| 10685 | £ 0.1779 - £ 0.1779 | 12830 In stock |
1-1/16
|
||||||||
| £ 0.308 - £ 0.308 | 1700 In stock |
1-7/8
|
|||||||||
| £ 0.1092 - £ 0.1092 | 13252 In stock |
13/16
|
|||||||||
| 10151 | £ 0.2067 - £ 0.2067 | 6665 In stock |
1-5/16
|
||||||||
| £ 0.0718 - £ 0.0718 | 47761 In stock |
7/16
|
|||||||||
| 11041 | £ 0.0831 - £ 0.0831 | 291223 In stock |
9/16
|
||||||||
| 12075 | £ 0.1423 - £ 0.1423 | 14522 In stock |
7/8
|
||||||||
| 12826 | £ 0.1656 - £ 0.1656 | 9461 In stock |
1
|
||||||||
| £ 0.1862 - £ 0.1862 | 28900 In stock |
13/16
|
|||||||||
| £ 0.079 - £ 0.0805 | 36400 In stock |
1/2
|
|||||||||
| 11053 | £ 0.2751 - £ 0.2751 | 5120 In stock |
1-5/8
|
||||||||
| £ 0.0718 - £ 0.0718 | 3426 In stock |
7/16
|
|||||||||
| 12847 | £ 0.1006 - £ 0.1006 | 54769 In stock |
3/4
|
||||||||
| £ 0.2423 - £ 0.2423 | 3700 In stock |
1-7/16
|
|||||||||
| £ 0.0904 - £ 0.0904 | 14071 In stock |
5/8
|
|||||||||
| 11089 | £ 0.1423 - £ 0.1423 | 45724 In stock |
7/8
|
||||||||
| £ 0.2245 - £ 0.2245 | 2297 In stock |
1-3/8
|
|||||||||
| £ 0.0728 - £ 0.1529 | 34252 In stock |
11/16
|
|||||||||
| £ 0.4533 - £ 1.7999 | In production |
1-1/2
|
|||||||||
Threaded Cap UNF, JIC 3/8 24 TPI LDPE Red
- Price Range
- £ 0.0654 - £ 0.0654
- Stock Levels
- 10931 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
3/8 -
Pitch Diameter
24.0 NaN
Threaded Cap UNF, JIC 1-1/16 12 TPI LDPE Red
- Price Range
- £ 0.1779 - £ 0.1779
- Stock Levels
- 12830 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 1-7/8 12 TPI LDPE Red
- Price Range
- £ 0.308 - £ 0.308
- Stock Levels
- 1700 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-7/8 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 13/16 16 TPI LDPE Red
- Price Range
- £ 0.1092 - £ 0.1092
- Stock Levels
- 13252 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
16.0 NaN
Threaded Cap UNF, JIC 1-5/16 12 TPI LDPE Red
- Price Range
- £ 0.2067 - £ 0.2067
- Stock Levels
- 6665 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-5/16 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 7/16 20 TPI LDPE Red
- Price Range
- £ 0.0718 - £ 0.0718
- Stock Levels
- 47761 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
7/16 -
Pitch Diameter
20.0 NaN
Threaded Cap UNF, JIC 9/16 18 TPI LDPE Red
- Price Range
- £ 0.0831 - £ 0.0831
- Stock Levels
- 291223 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
9/16 -
Pitch Diameter
18.0 NaN
Threaded Cap UNF, JIC 7/8 18 TPI LDPE Red
- Price Range
- £ 0.1423 - £ 0.1423
- Stock Levels
- 14522 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
7/8 -
Pitch Diameter
18.0 NaN
Threaded Cap UNF, JIC 1 14 TPI LDPE Red
- Price Range
- £ 0.1656 - £ 0.1656
- Stock Levels
- 9461 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1 -
Pitch Diameter
14.0 NaN
Threaded Cap UNF, JIC 13/16 12 TPI LDPE Red
- Price Range
- £ 0.1862 - £ 0.1862
- Stock Levels
- 28900 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 1/2 20 TPI LDPE Red
- Price Range
- £ 0.0805 - £ 0.079
- Stock Levels
- 36400 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1/2 -
Pitch Diameter
20.0 NaN
Threaded Cap UNF, JIC 1-5/8 12 TPI LDPE Red
- Price Range
- £ 0.2751 - £ 0.2751
- Stock Levels
- 5120 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-5/8 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 7/16 24 TPI LDPE Red
- Price Range
- £ 0.0718 - £ 0.0718
- Stock Levels
- 3426 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
7/16 -
Pitch Diameter
24.0 NaN
Threaded Cap UNF, JIC 3/4 16 TPI LDPE Red
- Price Range
- £ 0.1006 - £ 0.1006
- Stock Levels
- 54769 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
3/4 -
Pitch Diameter
16.0 NaN
Threaded Cap UNF, JIC 1-7/16 12 TPI LDPE Red
- Price Range
- £ 0.2423 - £ 0.2423
- Stock Levels
- 3700 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-7/16 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 5/8 18 TPI LDPE Red
- Price Range
- £ 0.0904 - £ 0.0904
- Stock Levels
- 14071 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
5/8 -
Pitch Diameter
18.0 NaN
Threaded Cap UNF, JIC 7/8 14 TPI LDPE Red
- Price Range
- £ 0.1423 - £ 0.1423
- Stock Levels
- 45724 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
7/8 -
Pitch Diameter
14.0 NaN
Threaded Cap UNF, JIC 1-3/8 12 TPI LDPE Red
- Price Range
- £ 0.2245 - £ 0.2245
- Stock Levels
- 2297 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
1-3/8 -
Pitch Diameter
12.0 NaN
Threaded Cap UNF, JIC 11/16 16 TPI Nylon Red
- Price Range
- £ 0.1529 - £ 0.0728
- Stock Levels
- 34252 In stock
Attributes
-
Colour
Red -
Compatible Thread Standard
UNF -
Compatible Thread Standard
JIC -
Compatible Thread Sizes (All)
11/16 -
Pitch Diameter
16.0 NaN
Threaded Cap UNF 1-1/2 12 TPI HDPE Yellow
- Price Range
- £ 1.7999 - £ 0.4533
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/2 -
Pitch Diameter
12.0 NaN -
Overall Diameter
45.0 mm
Threaded Cap UNF 1-1/16 16 TPI HDPE Yellow
- Price Range
- £ 1.225 - £ 0.3191
- Stock Levels
- 894 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
23.0 mm
Threaded Cap UNF 1 16 TPI HDPE Yellow
- Price Range
- £ 0.6168 - £ 0.3247
- Stock Levels
- 497 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1 -
Pitch Diameter
16.0 NaN -
Overall Diameter
32.0 mm
Threaded Cap UNF 3/4 16 TPI HDPE Yellow
- Price Range
- £ 0.6076 - £ 0.219
- Stock Levels
- 1000 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
3/4 -
Pitch Diameter
16.0 NaN -
Overall Diameter
25.0 mm
Threaded Cap UNF 7/8 14 TPI HDPE Yellow
- Price Range
- £ 0.6168 - £ 0.2321
- Stock Levels
- 2299 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
7/8 -
Pitch Diameter
14.0 NaN -
Overall Diameter
29.0 mm
Threaded Cap UNF 3/4 16 TPI HDPE Yellow
- Price Range
- £ 0.5071 - £ 0.1721
- Stock Levels
- 418 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
3/4 -
Pitch Diameter
16.0 NaN -
Overall Diameter
26.0 mm
Threaded Cap UNF 5/16 24 TPI HDPE Yellow
- Price Range
- £ 0.8381 - £ 0.344
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
5/16 -
Pitch Diameter
24.0 NaN -
Overall Diameter
13.5 mm
Threaded Cap UNF 13/16 16 TPI HDPE Yellow
- Price Range
- £ 1.225 - £ 0.3084
- Stock Levels
- 3413 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
27.0 mm
Threaded Cap UNF 1-1/2 12 TPI HDPE Yellow
- Price Range
- £ 0.5532 - £ 0.2634
- Stock Levels
- 100 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/2 -
Pitch Diameter
12.0 NaN -
Overall Diameter
44.5 mm
Threaded Cap UNF 1-7/8 12 TPI HDPE Yellow
- Price Range
- £ 0.9991 - £ 0.5274
- Stock Levels
- 2998 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-7/8 -
Pitch Diameter
12.0 NaN -
Overall Diameter
55.0 mm
Threaded Cap UNF 1-5/16 16 TPI HDPE Yellow
- Price Range
- £ 1.2953 - £ 0.4226
- Stock Levels
- 488 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-5/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
30.0 mm
Threaded Cap UNF 1/2 20 TPI HDPE Yellow
- Price Range
- £ 0.3546 - £ 0.1547
- Stock Levels
- 1984 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1/2 -
Pitch Diameter
20.0 NaN -
Overall Diameter
19.0 mm
Threaded Cap UNF 5/8 18 TPI HDPE Yellow
- Price Range
- £ 1.1934 - £ 0.304
- Stock Levels
- 1500 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
5/8 -
Pitch Diameter
18.0 NaN -
Overall Diameter
21.0 mm
Threaded Cap UNF 1-5/16 12 TPI HDPE Yellow
- Price Range
- £ 0.7647 - £ 0.4032
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-5/16 -
Pitch Diameter
12.0 NaN -
Overall Diameter
40.0 mm
Threaded Cap UNF 13/16 12 TPI HDPE Yellow
- Price Range
- £ 1.453 - £ 0.3672
- Stock Levels
- 1458 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
12.0 NaN -
Overall Diameter
36.5 mm
Threaded Cap UNF 9/16 18 TPI HDPE Yellow
- Price Range
- £ 0.3754 - £ 0.1689
- Stock Levels
- 3898 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
9/16 -
Pitch Diameter
18.0 NaN -
Overall Diameter
21.0 mm
Threaded Cap UNF 1-5/8 12 TPI HDPE Yellow
- Price Range
- £ 0.9079 - £ 0.4805
- Stock Levels
- 1275 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-5/8 -
Pitch Diameter
12.0 NaN -
Overall Diameter
48.0 mm
Threaded Cap UNF 13/16 16 TPI HDPE Yellow
- Price Range
- £ 1.1231 - £ 0.2866
- Stock Levels
- 4994 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
28.0 mm
Threaded Cap UNF 13/16 12 TPI HDPE Yellow
- Price Range
- £ 0.7057 - £ 0.377
- Stock Levels
- 2250 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
13/16 -
Pitch Diameter
12.0 NaN -
Overall Diameter
37.0 mm
Threaded Cap UNF 7/16 20 TPI HDPE Yellow
- Price Range
- £ 0.3165 - £ 0.1383
- Stock Levels
- 396 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
7/16 -
Pitch Diameter
20.0 NaN -
Overall Diameter
17.0 mm
Threaded Cap UNF 3/8 24 TPI HDPE Yellow
- Price Range
- £ 0.8076 - £ 0.3314
- Stock Levels
- 6881 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
3/8 -
Pitch Diameter
24.0 NaN -
Overall Diameter
15.0 mm
Threaded Cap UNF 5/8 18 TPI HDPE Yellow
- Price Range
- £ 1.0649 - £ 0.1721
- Stock Levels
- 1139 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
5/8 -
Pitch Diameter
18.0 NaN -
Overall Diameter
21.5 mm
Threaded Cap UNF 1-1/16 12 TPI HDPE Yellow
- Price Range
- £ 0.7057 - £ 0.256
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
12.0 NaN -
Overall Diameter
34.0 mm
Threaded Cap UNF 9/16 18 TPI HDPE Yellow
- Price Range
- £ 0.4412 - £ 0.2005
- Stock Levels
- 1998 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
9/16 -
Pitch Diameter
18.0 NaN -
Overall Diameter
21.0 mm
Threaded Cap UNF 7/8 14 TPI HDPE Yellow
- Price Range
- £ 0.6353 - £ 0.2266
- Stock Levels
- 998 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
7/8 -
Pitch Diameter
14.0 NaN -
Overall Diameter
29.0 mm
Threaded Cap UNF 1-1/16 12 TPI HDPE Yellow
- Price Range
- £ 0.6919 - £ 0.3672
- Stock Levels
- 171 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
12.0 NaN -
Overall Diameter
32.0 mm
Threaded Cap UNF 1/4 28 TPI HDPE Yellow
- Price Range
- £ 0.8783 - £ 0.3962
- Stock Levels
- 2000 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1/4 -
Pitch Diameter
28.0 NaN -
Overall Diameter
11.0 mm
Threaded Cap UNF 1-1/16 16 TPI HDPE Yellow
- Price Range
- £ 0.6076 - £ 0.3084
- Stock Levels
- 406 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
24.0 mm
Threaded Cap UNF 1-3/4 12 TPI HDPE Yellow
- Price Range
- £ 1.9915 - £ 0.5023
- Stock Levels
- 100 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-3/4 -
Pitch Diameter
12.0 NaN -
Overall Diameter
51.0 mm
Threaded Cap UNF 1/2 20 TPI HDPE Yellow
- Price Range
- £ 0.8417 - £ 0.1874
- Stock Levels
- 4922 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1/2 -
Pitch Diameter
20.0 NaN -
Overall Diameter
20.0 mm
Threaded Cap UNF 3/16 32 TPI HDPE Yellow
- Price Range
- £ 0.7753 - £ 0.3182
- Stock Levels
- 1900 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
3/16 -
Pitch Diameter
32.0 NaN -
Overall Diameter
8.0 mm
Threaded Cap UNF 1-3/8 12 TPI HDPE Yellow
- Price Range
- £ 0.76 - £ 0.4032
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-3/8 -
Pitch Diameter
12.0 NaN -
Overall Diameter
41.0 mm
Threaded Cap UNF 1/2 20 TPI HDPE Yellow
- Price Range
- £ 0.7422 - £ 0.1548
- Stock Levels
- 7754 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1/2 -
Pitch Diameter
20.0 NaN -
Overall Diameter
19.0 mm
Threaded Cap UNF 1-1/16 16 TPI HDPE Yellow
- Price Range
- £ 0.5071 - £ 0.1721
- Stock Levels
- 5767 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
24.0 mm
Threaded Cap UNF 1-3/8 12 TPI HDPE Yellow
- Price Range
- £ 1.7295 - £ 0.4424
- Stock Levels
- 896 In stock
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-3/8 -
Pitch Diameter
12.0 NaN -
Overall Diameter
42.0 mm
Threaded Cap UNF 1-1/16 16 TPI HDPE Yellow
- Price Range
- £ 1.4821 - £ 0.377
- Stock Levels
- In production
Attributes
-
Colour
Yellow -
Compatible Thread Standard
UNF -
Compatible Thread Sizes (All)
1-1/16 -
Pitch Diameter
16.0 NaN -
Overall Diameter
34.0 mm