Soft Knurled Caps are a simple and economical way of protecting metric and UNF threads during painting, assembly or transportation. They have a knurled exterior and are manufacured from a soft, durable TPE that provides a better grip and a tight fit. Protects pipe ends from damage, and keeps dirt and debris out.
Easy to install and remove. They can operate in a temperature from -60 C up to 135 C.
Commonly used in plumbing, HVAC, and industrial applications.
Material: TPE Colour: Blue Series Code: SRF0010
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Use the filters or search below to find what you're looking for
| Price range | Availability | ID | Thread Size | Colour | Material | D | H | Thread Standard | View | |
|---|---|---|---|---|---|---|---|---|---|---|
| £ 0.0811 - £ 0.329 | Request the lead time here | 
0.512 in
 
13.0 mm
 | 
M14 . 1/4" . 5/8"
 | 
Blue
 | 
TPE
 | 
0.591 in
 
15.0 mm
 | 
0.512 in
 
13.0 mm
 | 
UNF Threads
 | ||
| £ 0.1325 - £ 0.2782 | Request the lead time here | 
0.319 in
 
8.1 mm
 | 
M8 . 3/8 . 7/16
 | 
Blue
 | 
TPE
 | 
0.366 in
 
9.3 mm
 | 
0.508 in
 
12.9 mm
 | 
UNF Threads
 | ||
| £ 0.1282 - £ 0.4194 | 500 In stock | 
0.827 in
 
21.0 mm
 | 
M20 . M22 . 1/2"
 | 
Blue
 | 
TPE
 | 
0.921 in
 
23.4 mm
 | 
0.736 in
 
18.7 mm
 | 
BSP Threads
 | ||
| £ 0.1211 - £ 0.3742 | Request the lead time here | 
0.669 in
 
17.0 mm
 | 
M16 . 3/8"
 | 
Blue
 | 
TPE
 | 
0.76 in
 
19.3 mm
 | 
0.539 in
 
13.7 mm
 | 
BSP Threads
 | ||
| £ 0.2482 - £ 0.8463 | Request the lead time here | 
1.476 in
 
37.5 mm
 | 
M40 . 1-1/4" . 1-1/2"
 | 
Blue
 | 
TPE
 |  | 
0.819 in
 
20.8 mm
 | 
Metric Threads
 | ||
| £ 0.3316 - £ 1.115 | Request the lead time here | 
1.744 in
 
44.3 mm
 | 
M50 . 1-1/2"
 | 
Blue
 | 
TPE
 |  | 
1.039 in
 
26.4 mm
 | 
Metric Threads
 | ||
| £ 0.0752 - £ 0.2837 | Request the lead time here | 
0.433 in
 
11.0 mm
 | 
M10 . M12 . 1/8" . 1/2" . 9/16"
 | 
Blue
 | 
TPE
 | 
0.512 in
 
13.0 mm
 | 
0.512 in
 
13.0 mm
 | 
UNF Threads
 | ||
| £ 0.1464 - £ 0.8337 | 100 In stock | 
1.016 in
 
25.8 mm
 | 
Non Threaded
 | 
Blue
 | 
TPE
 |  | 
0.866 in
 
22.0 mm
 | 
Non Threaded
 | ||
| 2289000 | £ 0.4174 - £ 1.2933 | Request the lead time here | 
2.323 in
 
59.0 mm
 | 
Non Threaded
 | 
Blue
 | 
TPE
 |  | 
1.102 in
 
28.0 mm
 | 
Non Threaded
 | |
| £ 0.1241 - £ 0.8337 | Request the lead time here | 
0.984 in
 
25.0 mm
 | 
M25 . M26 . 3/4"
 | 
Blue
 | 
TPE
 | 
1.079 in
 
27.4 mm
 | 
0.886 in
 
22.5 mm
 | 
BSP Threads
 | ||
| 2286000 | £ 0.3551 - £ 0.7459 | Request the lead time here | 
1.248 in
 
31.7 mm
 | 
M32 . M36 . 1" . 1-3/8"
 | 
Blue
 | 
TPE
 |  | 
0.846 in
 
21.5 mm
 | 
UNF Threads
 | |
| £ 0.0929 - £ 0.1446 | Request the lead time here | 
1.008 in
 
25.6 mm
 | 
M25-M26;3/4 in
 | 
Blue
 | 
TPE
 | 
1.008 in
 
25.6 mm
 | 
0.866 in
 
22.0 mm
 | 
Metric
 | ||
| £ 0.2264 - £ 0.3522 | Request the lead time here | 
2.441 in
 
62.0 mm
 | 
M56 - M58;2.000 in
 | 
Blue
 | 
TPE
 | 
2.441 in
 
62.0 mm
 | 
1.102 in
 
28.0 mm
 | 
Metric
 | ||
| £ 0.1722 - £ 0.2679 | Request the lead time here | 
1.909 in
 
48.5 mm
 | 
M50;1-1/2 in
 | 
Blue
 | 
TPE
 | 
1.909 in
 
48.5 mm
 | 
1.039 in
 
26.4 mm
 | 
UNF
 | ||
| £ 0.0617 - £ 0.0959 | Request the lead time here | 
0.819 in
 
20.8 mm
 | 
M20-M22;1/2 in
 | 
Blue
 | 
TPE
 | 
0.819 in
 
20.8 mm
 | 
0.732 in
 
18.6 mm
 | 
Metric
 | ||
| £ 0.0375 - £ 0.0583 | Request the lead time here | 
0.445 in
 
11.3 mm
 | 
M10 - M12;3/8 - 7/16 in;1/8 in
 | 
Blue
 | 
TPE
 | 
0.445 in
 
11.3 mm
 | 
0.488 in
 
12.4 mm
 | 
UNF
 | ||
| £ 0.0475 - £ 0.074 | Request the lead time here | 
0.681 in
 
17.3 mm
 | 
M169;5/8 in;3/8 in
 | 
Blue
 | 
TPE
 | 
0.681 in
 
17.3 mm
 | 
0.512 in
 
13.0 mm
 | 
UNF
 | ||
| £ 0.1292 - £ 0.201 | Request the lead time here | 
1.626 in
 
41.3 mm
 | 
M40;1-1/4 in;1-1/2 in
 | 
Blue
 | 
TPE
 | 
1.626 in
 
41.3 mm
 | 
0.819 in
 
20.8 mm
 | 
UNF
 | ||
| £ 0.0405 - £ 0.063 | Request the lead time here | 
0.512 in
 
13.0 mm
 | 
M14;1/2 - 9/16 in;1/4 in
 | 
Blue
 | 
TPE
 | 
0.512 in
 
13.0 mm
 | 
0.488 in
 
12.4 mm
 | 
UNF
 | ||
| £ 0.1163 - £ 0.181 | Request the lead time here | 
1.394 in
 
35.4 mm
 | 
M32 - M36;1.000 in;1-3/8 in
 | 
Blue
 | 
TPE
 | 
1.394 in
 
35.4 mm
 | 
0.846 in
 
21.5 mm
 | 
Metric
 | ||
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