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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 179,8944 - R 256,9025 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 341,8411 - R 488,3444 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
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 73,669 - R 105,1818 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 58,4343 - R 83,4776 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 59,6865 - R 85,1472 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 78,0516 - R 111,4427 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 75,5473 - R 107,8949 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 72,4168 - R 103,5123 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 75,5473 - R 107,8949 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 68,6604 - R 98,0862 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 77,2168 - R 110,3992 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 68,6604 - R 98,0862 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 73,669 - R 105,1818 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 65,1125 - R 92,8689 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 67,4082 - R 96,4167 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 67,4082 - R 96,4167 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
  • of 4
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 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 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 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 M4 4.0 40.0 303 Stainless with thread lock

20758059

Price Range
R 105,1818 - R 73,669

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    40.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
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 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 M4 4.0 10.0 303 Stainless with thread lock

20757984

Price Range
R 85,1472 - R 59,6865

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    10.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M4 4.0 50.0 303 Stainless with thread lock

20758066

Price Range
R 111,4427 - R 78,0516

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1 025
    50.0
  • d2 a012
    2.8
  • d3 max
    7.0
  • d4 min
    4.5
Captive Screw M5 5.0 40.0 303 Stainless with thread lock

20758134

Price Range
R 107,8949 - R 75,5473

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    40.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M5 5.0 30.0 303 Stainless with thread lock

20758110

Price Range
R 103,5123 - R 72,4168

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    30.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
Captive Screw M6 6.0 35.0 303 Stainless with thread lock

20758202

Price Range
R 107,8949 - R 75,5473

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 M6 6.0 16.0 303 Stainless with thread lock

20758165

Price Range
R 98,0862 - R 68,6604

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    16.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
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 M5 5.0 20.0 303 Stainless with thread lock

20758097

Price Range
R 98,0862 - R 68,6604

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    20.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
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 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 M3 3.0 30.0 303 Stainless with thread lock

20757977

Price Range
R 96,4167 - R 67,4082

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1 025
    30.0
  • d2 a012
    2.0
  • d3 max
    5.5
  • d4 min
    3.5
Captive Screw M5 5.0 16.0 303 Stainless with thread lock

20758080

Price Range
R 96,4167 - R 67,4082

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