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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 126,0179 - R 179,8735 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 93,2362 - R 133,2554 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 82,1671 - R 117,2903 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 112,6072 - R 160,9283 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 77,0583 - R 110,0528 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 67,6921 - R 96,6421 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 68,7564 - R 98,3451 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 61,9446 - R 88,5531 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 70,0336 - R 100,048 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 80,2513 - R 114,523 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 85,1472 - R 121,5477 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 202,2247 - R 288,862 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 183,4923 - R 262,0406 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 348,678 - R 498,1113 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 95,7906 - R 136,8742 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 135,1712 - R 193,0714 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 186,4725 - R 266,5109 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 133,894 - R 191,3684 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 117,0775 - R 167,3143 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
  • of 4
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 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 M8 8.0 25.0 303 Stainless with thread lock

20758271

Price Range
R 117,2903 - R 82,1671

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    25.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M8 8.0 80.0 303 Stainless with thread lock

20758349

Price Range
R 160,9283 - R 112,6072

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    80.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M6 6.0 35.0 303 Stainless with thread lock

20758202

Price Range
R 110,0528 - R 77,0583

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    35.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Captive Screw M5 5.0 12.0 303 Stainless with thread lock

20758073

Price Range
R 96,6421 - R 67,6921

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 M5 5.0 16.0 303 Stainless with thread lock

20758080

Price Range
R 98,3451 - R 68,7564

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    16.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M4 4.0 12.0 303 Stainless with thread lock

20757991

Price Range
R 88,5531 - R 61,9446

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    12.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M4 4.0 30.0 303 Stainless with thread lock

20758035

Price Range
R 100,048 - R 70,0336

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    30.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M5 5.0 50.0 303 Stainless with thread lock

20758141

Price Range
R 114,523 - R 80,2513

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    50.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M8 8.0 30.0 303 Stainless with thread lock

20758288

Price Range
R 121,5477 - R 85,1472

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    30.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
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 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 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 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 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 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 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 M10 10.0 50.0 303 Stainless with thread lock

20758417

Price Range
R 191,3684 - R 133,894

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 30.0 303 Stainless with thread lock

20758370

Price Range
R 167,3143 - R 117,0775

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