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Cap Nuts
In stock
Cap Nuts are a type of nut with a dome-shaped top. It secures and covers exposed threaded studs, rods, and bolt ends with a dome-like cap. This protects and secures the fastening component while providing a finished appearance to the exposed threaded end. The dome-shaped caps are designed to be readily grabbed and tightened by hand or wrench.
It works as a locking mechanism, preventing the nut from becoming loose due to vibration or movement. Our range includes Hex Cap Dome Nuts, which have a hexagonal nut shape with a dome or cap that encloses exterior threads. They are available with or without a moulded-in locking thread for applications requiring torque for a more secure assembly. Commonly utilised in automotive, industrial, and commercial applications.
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Metric
Sort by
None| Price range | Availability | Thread Size | Distance Across Flats | Colour | Nut Form | Overall Height | View | |
|---|---|---|---|---|---|---|---|---|
| $0.1575 - $0.1836 | 4000 In stock |
M6
|
0.394 in
|
Natural
|
Locking Dome
|
0.472 in
|
||
| $0.1437 - $0.1679 | 9000 In stock |
M5
|
0.315 in
|
Natural
|
Locking Dome
|
0.394 in
|
||
| $0.1301 - $0.296 | 500 In stock |
#4-40
|
0.250 in
|
Black
|
|
0.280 in
|
||
| $0.1152 - $0.1344 | Request the lead time here |
#6-32
|
0.305 in
|
Natural
|
Locking Dome
|
0.345 in
|
||
| $0.0665 - $0.0911 | 35000 In stock |
1/4" x 20
|
0.425 in
|
Natural
|
|
0.475 in
|
||
| $0.3396 - $0.396 | 54000 In stock |
3/8-16
|
0.565 in
|
Natural
|
Locking Dome
|
0.620 in
|
||
| $0.245 - $0.336 | 500 In stock |
5/16-18
|
0.500 in
|
Black
|
|
0.530 in
|
||
| $0.4349 - $0.9902 | 3000 In stock |
3/8-16
|
0.565 in
|
Black
|
|
0.620 in
|
||
| $0.1427 - $0.1956 | 12500 In stock |
5/16-18
|
0.500 in
|
Black
|
Locking Dome
|
0.530 in
|
||
| $0.2343 - $0.3213 | 36500 In stock |
5/16-24
|
0.500 in
|
Black
|
Locking Dome
|
0.530 in
|
||
| $0.3734 - $0.4358 | 18000 In stock |
3/8-16
|
0.565 in
|
Black
|
Locking Dome
|
0.620 in
|
||
| $0.2129 - $0.2921 | 3000 In stock |
5/16-24
|
0.500 in
|
Natural
|
Locking Dome
|
0.530 in
|
||
| $0.2226 - $0.3056 | 12000 In stock |
5/16-18
|
0.500 in
|
Natural
|
|
0.530 in
|
||
| $0.5172 - $1.1772 | 8750 In stock |
5/8-11
|
0.935 in
|
Natural
|
Locking Dome
|
0.970 in
|
||
| $0.0906 - $0.1244 | 21000 In stock |
8-32
|
0.330 in
|
Natural
|
|
0.375 in
|
||
| $0.0878 - $0.1205 | 5000 In stock |
#6-32
|
0.305 in
|
Natural
|
|
0.345 in
|
||
| $0.1386 - $0.3159 | 35000 In stock |
8-32
|
0.330 in
|
Black
|
|
0.375 in
|
||
| $0.3986 - $0.9077 | 1000 In stock |
1/4-18
|
0.750 in
|
Black
|
Locking Dome
|
0.810 in
|
||
| $0.2504 - $0.2918 | 37000 In stock |
3/8-24
|
0.565 in
|
Black
|
Locking Dome
|
0.620 in
|
||
| $0.4091 - $0.561 | 500 In stock |
1/2-20
|
0.750 in
|
Black
|
Locking Dome
|
0.810 in
|
||
Hexagonal Cap Nut - Thread Size M6; Distance Across Flats 10.0 mm | 0.394 in; Overall Height 12.0 mm | 0.472 in; Natural; Nylon
- Price Range
- $0.1836 - $0.1575
- Stock Levels
- 4000 In stock
Attributes
-
Overall Height
0.472 in -
Distance Across Flats
0.394 in -
Thread Size
M6 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size M5; Distance Across Flats 8.0 mm | 0.315 in; Overall Height 10.0 mm | 0.394 in; Natural; Nylon
- Price Range
- $0.1679 - $0.1437
- Stock Levels
- 9000 In stock
Attributes
-
Overall Height
0.394 in -
Distance Across Flats
0.315 in -
Thread Size
M5 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size #4-40; Distance Across Flats 6.4 mm | 0.250 in; Overall Height 7.1 mm | 0.280 in; Black; Nylon 6/6
- Price Range
- $0.296 - $0.1301
- Stock Levels
- 500 In stock
Attributes
-
Overall Height
0.280 in -
Distance Across Flats
0.250 in -
Thread Size
#4-40 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size #6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in; Natural; Nylon 6/6
- Price Range
- $0.1344 - $0.1152
- Stock Levels
- Request the lead time here
Attributes
-
Overall Height
0.345 in -
Distance Across Flats
0.305 in -
Thread Size
#6-32 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-20; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Natural; Nylon 6/6
- Price Range
- $0.0911 - $0.0665
- Stock Levels
- 35000 In stock
Attributes
-
Overall Height
0.475 in -
Distance Across Flats
0.425 in -
Thread Size
1/4" x 20 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-16; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Natural; Nylon 6/6
- Price Range
- $0.396 - $0.3396
- Stock Levels
- 54000 In stock
Attributes
-
Overall Height
0.620 in -
Distance Across Flats
0.565 in -
Thread Size
3/8-16 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-18; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Black; Nylon 6/6
- Price Range
- $0.336 - $0.245
- Stock Levels
- 500 In stock
Attributes
-
Overall Height
0.530 in -
Distance Across Flats
0.500 in -
Thread Size
5/16-18 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-16; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Black; Nylon 6/6
- Price Range
- $0.9902 - $0.4349
- Stock Levels
- 3000 In stock
Attributes
-
Overall Height
0.620 in -
Distance Across Flats
0.565 in -
Thread Size
3/8-16 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-18; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Black; Nylon 6/6
- Price Range
- $0.1956 - $0.1427
- Stock Levels
- 12500 In stock
Attributes
-
Overall Height
0.530 in -
Distance Across Flats
0.500 in -
Thread Size
5/16-18 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-24; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Black; Nylon 6/6
- Price Range
- $0.3213 - $0.2343
- Stock Levels
- 36500 In stock
Attributes
-
Overall Height
0.530 in -
Distance Across Flats
0.500 in -
Thread Size
5/16-24 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-16; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Black; Nylon 6/6
- Price Range
- $0.4358 - $0.3734
- Stock Levels
- 18000 In stock
Attributes
-
Overall Height
0.620 in -
Distance Across Flats
0.565 in -
Thread Size
3/8-16 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-24; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Natural; Nylon 6/6
- Price Range
- $0.2921 - $0.2129
- Stock Levels
- 3000 In stock
Attributes
-
Overall Height
0.530 in -
Distance Across Flats
0.500 in -
Thread Size
5/16-24 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/16-18; Distance Across Flats 12.7 mm | 0.500 in; Overall Height 13.5 mm | 0.530 in; Natural; Nylon 6/6
- Price Range
- $0.3056 - $0.2226
- Stock Levels
- 12000 In stock
Attributes
-
Overall Height
0.530 in -
Distance Across Flats
0.500 in -
Thread Size
5/16-18 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 5/8-11; Distance Across Flats 23.7 mm | 0.935 in; Overall Height 24.6 mm | 0.970 in; Natural; Nylon 6/6
- Price Range
- $1.1772 - $0.5172
- Stock Levels
- 8750 In stock
Attributes
-
Overall Height
0.970 in -
Distance Across Flats
0.935 in -
Thread Size
5/8-11 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size #8-32; Distance Across Flats 8.4 mm | 0.330 in; Overall Height 9.5 mm | 0.375 in; Natural; Nylon 6/6
- Price Range
- $0.1244 - $0.0906
- Stock Levels
- 21000 In stock
Attributes
-
Overall Height
0.375 in -
Distance Across Flats
0.330 in -
Thread Size
8-32 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size #6-32; Distance Across Flats 7.7 mm | 0.305 in; Overall Height 8.8 mm | 0.345 in; Natural; Nylon 6/6
- Price Range
- $0.1205 - $0.0878
- Stock Levels
- 5000 In stock
Attributes
-
Overall Height
0.345 in -
Distance Across Flats
0.305 in -
Thread Size
#6-32 -
Colour
Natural -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size #8-32; Distance Across Flats 8.4 mm | 0.330 in; Overall Height 9.5 mm | 0.375 in; Black; Nylon 6/6
- Price Range
- $0.3159 - $0.1386
- Stock Levels
- 35000 In stock
Attributes
-
Overall Height
0.375 in -
Distance Across Flats
0.330 in -
Thread Size
8-32 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/4-18; Distance Across Flats 10.8 mm | 0.425 in; Overall Height 12.1 mm | 0.475 in; Black; Nylon 6/6
- Price Range
- $0.9077 - $0.3986
- Stock Levels
- 1000 In stock
Attributes
-
Overall Height
0.810 in -
Distance Across Flats
0.750 in -
Thread Size
1/4-18 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 3/8-24; Distance Across Flats 14.4 mm | 0.565 in; Overall Height 15.7 mm | 0.620 in; Black; Nylon 6/6
- Price Range
- $0.2918 - $0.2504
- Stock Levels
- 37000 In stock
Attributes
-
Overall Height
0.620 in -
Distance Across Flats
0.565 in -
Thread Size
3/8-24 -
Colour
Black -
Full Material
Nylon 6/6
Hexagonal Cap Nut - Thread Size 1/2-20; Distance Across Flats 19.1 mm | 0.750 in; Overall Height 20.6 mm | 0.810 in; Black; Nylon 6/6
- Price Range
- $0.561 - $0.4091
- Stock Levels
- 500 In stock
Attributes
-
Overall Height
0.810 in -
Distance Across Flats
0.750 in -
Thread Size
1/2-20 -
Colour
Black -
Full Material
Nylon 6/6
