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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 189,0769 - R 270,0503 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 254,8156 - R 363,9627 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 179,8944 - R 256,9025 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 198,2595 - R 283,198 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 162,7814 - R 232,4853 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 287,1632 - R 410,2928 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 119,1644 - R 170,0857 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 341,8411 - R 488,3444 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 428,8666 - R 612,7262 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 298,224 - R 425,9448 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 147,3381 - R 210,3637 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 78,0516 - R 111,4427 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 80,9733 - R 115,6165 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 137,5294 - R 196,3812 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 131,2686 - R 187,6161 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 111,234 - R 158,8163 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 215,5811 - R 307,8239 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 171,1292 - R 244,5896 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
  • of 4
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 M16 16.0 45.0 303 Stainless with thread lock

20758554

Price Range
R 270,0503 - R 189,0769

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 M20 20.0 40.0 303 Stainless with thread lock

20758608

Price Range
R 363,9627 - R 254,8156

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 40.0 303 Stainless with thread lock

20758547

Price Range
R 256,9025 - R 179,8944

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 M16 16.0 50.0 303 Stainless with thread lock

20758561

Price Range
R 283,198 - R 198,2595

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 M12 12.0 60.0 303 Stainless with thread lock

20758509

Price Range
R 232,4853 - R 162,7814

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 M16 16.0 100.0 303 Stainless with thread lock

20758592

Price Range
R 410,2928 - R 287,1632

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 M10 10.0 35.0 303 Stainless with thread lock

20758387

Price Range
R 170,0857 - R 119,1644

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    35.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
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 M20 20.0 120.0 303 Stainless with thread lock

20758646

Price Range
R 612,7262 - R 428,8666

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 425,9448 - R 298,224

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 45.0 303 Stainless with thread lock

20758486

Price Range
R 210,3637 - R 147,3381

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    45.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M8 8.0 20.0 303 Stainless with thread lock

20758264

Price Range
R 111,4427 - R 78,0516

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    20.0
  • 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 M6 6.0 50.0 303 Stainless with thread lock

20758226

Price Range
R 115,6165 - R 80,9733

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    50.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Captive Screw M12 12.0 35.0 303 Stainless with thread lock

20758462

Price Range
R 196,3812 - R 137,5294

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    35.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M10 10.0 50.0 303 Stainless with thread lock

20758417

Price Range
R 187,6161 - R 131,2686

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    50.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Captive Screw M10 10.0 25.0 303 Stainless with thread lock

20758363

Price Range
R 158,8163 - R 111,234

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 M16 16.0 60.0 303 Stainless with thread lock

20758578

Price Range
R 307,8239 - R 215,5811

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 M16 16.0 35.0 303 Stainless with thread lock

20758530

Price Range
R 244,5896 - R 171,1292

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