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Anu-Lok Cap Head Captive Screws

In production

Anu-Lok Cap Head Captive Screws are intended to offer a secure and vibration-resistant attachment, while remaining permanently connected. Features a cap head design that enables simple torque application with tools like hexagonal keys. Anu-Lok 180 (AnuLok) is a reusable nylon patch that works like to a nylon nut. During installation, the nylon patch contracts to fill the gap within the threads.

The specialised retention mechanism prevents complete detachment from the assembly, due to vibration or mechanical stress, while allowing for repeated fastening and unfastening. This feature is useful in applications requiring maintenance or regular access. Applications include electronic enclosures, machinery guards and structural components.

Please note: These screws have a reduced diameter shank and should not be tightened to the recommended torque for an equivalent machine screw of size d1.

  • The screws captive nature complies with the Machinery Directive 2006/42/EC (equivalent to ISO 4762) that guarantees compliance with safety and regulatory standards, especially in industries where loose hardware may represent a risk.
Material: 303 Stainless with thread lock Series Code: SRP0154

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78 results
Product SKUs information
Essentra Part Number Price range Availability d1 l2 025 A/F H1 max d3 max d2 a012 View
R 62,5832 - R 89,4046 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 58,3259 - R 83,2314 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 66,4148 - R 94,7263 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 63,4347 - R 90,4689 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 63,8604 - R 91,1076 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 61,306 - R 87,7017 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 62,5832 - R 89,4046 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 183,4923 - R 262,0406 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 259,9119 - R 371,242 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 192,8585 - R 275,4513 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 219,8928 - R 313,9804 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 166,0371 - R 237,1351 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 95,7906 - R 136,8742 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 437,4439 - R 624,9807 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 304,1885 - R 434,4638 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 93,2362 - R 133,2554 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 113,4587 - R 161,9926 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 142,1959 - R 203,0762 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 126,0179 - R 179,8735 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 129,6367 - R 185,1952 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
  • of 4
Captive Screw M2.5 2.5 5.0 303 Stainless with thread lock

20757878

Price Range
R 89,4046 - R 62,5832

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1 025
    5.0
  • d2 a012
    1.8
  • d3 max
    4.5
  • d4 min
    2.8
Captive Screw M3 3.0 8.0 303 Stainless with thread lock

20757915

Price Range
R 83,2314 - R 58,3259

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    8.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M3 3.0 25.0 303 Stainless with thread lock

20757960

Price Range
R 94,7263 - R 66,4148

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    25.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M2.5 2.5 10.0 303 Stainless with thread lock

20757892

Price Range
R 90,4689 - R 63,4347

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1 025
    10.0
  • d2 a012
    1.8
  • d3 max
    4.5
  • d4 min
    2.8
Captive Screw M3 3.0 20.0 303 Stainless with thread lock

20757953

Price Range
R 91,1076 - R 63,8604

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    20.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M3 3.0 16.0 303 Stainless with thread lock

20757946

Price Range
R 87,7017 - R 61,306

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    16.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M2.5 2.5 8.0 303 Stainless with thread lock

20757885

Price Range
R 89,4046 - R 62,5832

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1 025
    8.0
  • d2 a012
    1.8
  • d3 max
    4.5
  • d4 min
    2.8
Captive Screw M16 16.0 40.0 303 Stainless with thread lock

20758547

Price Range
R 262,0406 - R 183,4923

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    40.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
Captive Screw M20 20.0 40.0 303 Stainless with thread lock

20758608

Price Range
R 371,242 - R 259,9119

Stock Levels
Request the lead time here
Attributes
  • d1
    M20
  • l1 025
    40.0
  • d2 a012
    16.0
  • d3 max
    30.0
  • d4 min
    22.0
Captive Screw M16 16.0 45.0 303 Stainless with thread lock

20758554

Price Range
R 275,4513 - R 192,8585

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    45.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
Captive Screw M16 16.0 60.0 303 Stainless with thread lock

20758578

Price Range
R 313,9804 - R 219,8928

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    60.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
Captive Screw M12 12.0 60.0 303 Stainless with thread lock

20758509

Price Range
R 237,1351 - R 166,0371

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    60.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M8 8.0 50.0 303 Stainless with thread lock

20758325

Price Range
R 136,8742 - R 95,7906

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    50.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M20 20.0 120.0 303 Stainless with thread lock

20758646

Price Range
R 624,9807 - R 437,4439

Stock Levels
Request the lead time here
Attributes
  • d1
    M20
  • l1 025
    120.0
  • d2 a012
    16.0
  • d3 max
    30.0
  • d4 min
    22.0
Captive Screw M20 20.0 60.0 303 Stainless with thread lock

20758615

Price Range
R 434,4638 - R 304,1885

Stock Levels
Request the lead time here
Attributes
  • d1
    M20
  • l1 025
    60.0
  • d2 a012
    16.0
  • d3 max
    30.0
  • d4 min
    22.0
Captive Screw M8 8.0 45.0 303 Stainless with thread lock

20758318

Price Range
R 133,2554 - R 93,2362

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    45.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M10 10.0 25.0 303 Stainless with thread lock

20758363

Price Range
R 161,9926 - R 113,4587

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    25.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Captive Screw M10 10.0 60.0 303 Stainless with thread lock

20758424

Price Range
R 203,0762 - R 142,1959

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    60.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Captive Screw M10 10.0 40.0 303 Stainless with thread lock

20758394

Price Range
R 179,8735 - R 126,0179

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    40.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Captive Screw M12 12.0 25.0 303 Stainless with thread lock

20758448

Price Range
R 185,1952 - R 129,6367

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    25.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2