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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 174,5518 - R 249,4814 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 202,2247 - R 288,862 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
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 437,4439 - R 624,9807 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 166,0371 - R 237,1351 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 292,9065 - R 418,4987 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 393,1674 - R 561,546 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 256,5061 - R 366,5589 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 304,1885 - R 434,4638 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 135,1712 - R 193,0714 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 166,0371 - R 237,1351 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 348,678 - R 498,1113 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 186,4725 - R 266,5109 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 63,4347 - R 90,4689 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 65,7762 - R 94,0877 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 58,3259 - R 83,2314 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 63,8604 - R 91,1076 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 62,5832 - R 89,4046 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 63,4347 - R 90,4689 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
  • of 4
Captive Screw M16 16.0 35.0 303 Stainless with thread lock

20758530

Price Range
R 249,4814 - R 174,5518

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    35.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
Captive Screw M16 16.0 50.0 303 Stainless with thread lock

20758561

Price Range
R 288,862 - R 202,2247

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    50.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
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 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 M16 16.0 30.0 303 Stainless with thread lock

20758523

Price Range
R 237,1351 - R 166,0371

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 M16 16.0 100.0 303 Stainless with thread lock

20758592

Price Range
R 418,4987 - R 292,9065

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    100.0
  • 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 561,546 - R 393,1674

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 M16 16.0 80.0 303 Stainless with thread lock

20758585

Price Range
R 366,5589 - R 256,5061

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1 025
    80.0
  • d2 a012
    12.0
  • d3 max
    24.0
  • d4 min
    17.5
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 M12 12.0 30.0 303 Stainless with thread lock

20758455

Price Range
R 193,0714 - R 135,1712

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    30.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
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 M20 20.0 80.0 303 Stainless with thread lock

20758622

Price Range
R 498,1113 - R 348,678

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 80.0 303 Stainless with thread lock

20758516

Price Range
R 266,5109 - R 186,4725

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    80.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
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 M4 4.0 20.0 303 Stainless with thread lock

20758011

Price Range
R 94,0877 - R 65,7762

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    20.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
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 M4 4.0 16.0 303 Stainless with thread lock

20758004

Price Range
R 91,1076 - R 63,8604

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 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 M2.5 2.5 12.0 303 Stainless with thread lock

20757908

Price Range
R 90,4689 - R 63,4347

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