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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 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 57,1822 - R 81,5994 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 66,9908 - R 95,5819 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 68,6604 - R 98,0862 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 61,3561 - R 87,6515 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 66,3647 - R 94,7471 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 61,3561 - R 87,6515 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
M6
7.5
5.0
6.0
10.0
4.2
R 78,0516 - R 111,4427 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 78,6777 - R 112,2774 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 59,6865 - R 85,1472 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 70,7473 - R 101,008 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 68,6604 - R 98,0862 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 58,4343 - R 83,4776 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
R 64,4865 - R 92,2428 Request the lead time here
M4
6.0
3.0
4.0
7.0
2.8
R 67,4082 - R 96,4167 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
  • of 4
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 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 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 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 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 M2.5 2.5 5.0 303 Stainless with thread lock

20757878

Price Range
R 87,6515 - R 61,3561

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1 025
    5.0
  • d2 a012
    1.8
  • d3 max
    4.5
  • d4 min
    2.8
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 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 M6 6.0 25.0 303 Stainless with thread lock

20758189

Price Range
R 101,634 - R 71,1647

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    25.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
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 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 50.0 303 Stainless with thread lock

20758141

Price Range
R 112,2774 - R 78,6777

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 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 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 M5 5.0 25.0 303 Stainless with thread lock

20758103

Price Range
R 101,008 - R 70,7473

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1 025
    25.0
  • d2 a012
    3.7
  • d3 max
    8.5
  • d4 min
    5.5
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 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 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 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 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