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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 68,6604 - R 98,0862 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 58,4343 - R 83,4776 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 65,1125 - R 92,8689 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 61,3561 - R 87,6515 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 57,1822 - R 81,5994 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 73,669 - R 105,1818 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 64,4865 - R 92,2428 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 66,9908 - R 95,5819 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 57,1822 - R 81,5994 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 60,1039 - R 85,982 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 60,73 - R 86,8167 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 77,2168 - R 110,3992 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 62,6082 - R 89,3211 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 428,8666 - R 612,7262 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
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 62,6082 - R 89,3211 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 66,3647 - R 94,7471 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 80,9733 - R 115,6165 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
  • of 4
Captive Screw M4 4.0 30.0 303 Stainless with thread lock

20758035

Price Range
R 98,0862 - R 68,6604

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 M3 3.0 12.0 303 Stainless with thread lock

20757939

Price Range
R 83,4776 - R 58,4343

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    12.0
  • 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 92,8689 - R 65,1125

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 8.0 303 Stainless with thread lock

20757885

Price Range
R 87,6515 - R 61,3561

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 M3 3.0 10.0 303 Stainless with thread lock

20757922

Price Range
R 81,5994 - R 57,1822

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    10.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M5 5.0 35.0 303 Stainless with thread lock

20758127

Price Range
R 105,1818 - R 73,669

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    35.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M4 4.0 20.0 303 Stainless with thread lock

20758011

Price Range
R 92,2428 - R 64,4865

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 M4 4.0 25.0 303 Stainless with thread lock

20758028

Price Range
R 95,5819 - R 66,9908

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    25.0
  • 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 81,5994 - R 57,1822

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 16.0 303 Stainless with thread lock

20757946

Price Range
R 85,982 - R 60,1039

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 M4 4.0 12.0 303 Stainless with thread lock

20757991

Price Range
R 86,8167 - R 60,73

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 M6 6.0 40.0 303 Stainless with thread lock

20758219

Price Range
R 110,3992 - R 77,2168

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    40.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
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
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 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 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 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 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 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 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