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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 62,1908 - R 88,695 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 62,1908 - R 88,695 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 71,1647 - R 101,634 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 61,3561 - R 87,6515 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 62,6082 - R 89,3211 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 89,1124 - R 127,3034 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 123,5469 - R 176,3466 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 142,3294 - R 203,2681 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 66,3647 - R 94,7471 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 73,0429 - R 104,3471 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 93,2863 - R 133,1469 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 162,7814 - R 232,4853 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 385,4582 - R 550,5353 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 114,7818 - R 164,0336 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 127,0947 - R 181,5639 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 341,8411 - R 488,3444 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 152,7641 - R 218,2941 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 127,0947 - R 181,5639 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 139,4077 - R 199,0942 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 62,6082 - R 89,3211 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
  • of 4
Captive Screw M2.5 2.5 10.0 303 Stainless with thread lock

20757892

Price Range
R 88,695 - R 62,1908

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 M2.5 2.5 12.0 303 Stainless with thread lock

20757908

Price Range
R 88,695 - R 62,1908

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1 025
    12.0
  • d2 a012
    1.8
  • d3 max
    4.5
  • d4 min
    2.8
Captive Screw M4 4.0 35.0 303 Stainless with thread lock

20758042

Price Range
R 101,634 - R 71,1647

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    35.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M2.5 2.5 5.0 303 Stainless with thread lock

20757878

Price Range
R 87,6515 - R 61,3561

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 M4 4.0 16.0 303 Stainless with thread lock

20758004

Price Range
R 89,3211 - R 62,6082

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    16.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M8 8.0 40.0 303 Stainless with thread lock

20758301

Price Range
R 127,3034 - R 89,1124

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    40.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M10 10.0 40.0 303 Stainless with thread lock

20758394

Price Range
R 176,3466 - R 123,5469

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 40.0 303 Stainless with thread lock

20758479

Price Range
R 203,2681 - R 142,3294

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    40.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M5 5.0 12.0 303 Stainless with thread lock

20758073

Price Range
R 94,7471 - R 66,3647

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    12.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M6 6.0 30.0 303 Stainless with thread lock

20758196

Price Range
R 104,3471 - R 73,0429

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    30.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Captive Screw M6 6.0 80.0 303 Stainless with thread lock

20758240

Price Range
R 133,1469 - R 93,2863

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    80.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Captive Screw M16 16.0 30.0 303 Stainless with thread lock

20758523

Price Range
R 232,4853 - R 162,7814

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    30.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
Captive Screw M20 20.0 100.0 303 Stainless with thread lock

20758639

Price Range
R 550,5353 - R 385,4582

Stock Levels
Request the lead time here
Attributes
  • d1
    M20
  • l1 025
    100.0
  • d2 a012
    16.0
  • d3 max
    30.0
  • d4 min
    22.0
Captive Screw M10 10.0 30.0 303 Stainless with thread lock

20758370

Price Range
R 164,0336 - R 114,7818

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    30.0
  • 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 181,5639 - R 127,0947

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
Captive Screw M20 20.0 80.0 303 Stainless with thread lock

20758622

Price Range
R 488,3444 - R 341,8411

Stock Levels
Request the lead time here
Attributes
  • d1
    M20
  • l1 025
    80.0
  • d2 a012
    16.0
  • d3 max
    30.0
  • d4 min
    22.0
Captive Screw M12 12.0 50.0 303 Stainless with thread lock

20758493

Price Range
R 218,2941 - R 152,7641

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    50.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M10 10.0 45.0 303 Stainless with thread lock

20758400

Price Range
R 181,5639 - R 127,0947

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    45.0
  • 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 199,0942 - R 139,4077

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 M3 3.0 20.0 303 Stainless with thread lock

20757953

Price Range
R 89,3211 - R 62,6082

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