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Anu-Lok Cap Head Captive Screws

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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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Product SKUs information
Essentra Part Number Price range Availability d1 l2 025 A/F H1 max d3 max d2 a012 View
R 192,8585 - R 275,4513 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 219,8928 - R 313,9804 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 437,4439 - R 624,9807 Request the lead time here
M20
25.0
19.0
20.0
30.0
16.0
R 93,2362 - R 133,2554 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 69,6079 - R 99,4094 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 72,588 - R 103,6668 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 82,5928 - R 117,9289 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 87,063 - R 124,315 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 87,7017 - R 125,1664 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 70,0336 - R 100,048 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 71,3108 - R 101,9638 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 108,9885 - R 155,6066 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 113,4587 - R 161,9926 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 79,6127 - R 113,6716 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 90,8947 - R 129,8495 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 63,4347 - R 90,4689 Request the lead time here
M2.5
3.0
2.0
2.5
4.5
1.8
R 58,3259 - R 83,2314 Request the lead time here
M3
4.5
2.5
3.0
5.5
2.0
    • of 4
Captive Screw M16 16.0 45.0 303 Stainless with thread lock

20758554

Price Range
R 275,4513 - R 192,8585

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
Quick View
View Product >
Captive Screw M16 16.0 60.0 303 Stainless with thread lock

20758578

Price Range
R 313,9804 - R 219,8928

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
Quick View
View Product >
Captive Screw M20 20.0 120.0 303 Stainless with thread lock

20758646

Price Range
R 624,9807 - R 437,4439

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
Quick View
View Product >
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
Quick View
View Product >
Captive Screw M6 6.0 12.0 303 Stainless with thread lock

20758158

Price Range
R 99,4094 - R 69,6079

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    12.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Quick View
View Product >
Captive Screw M6 6.0 25.0 303 Stainless with thread lock

20758189

Price Range
R 103,6668 - R 72,588

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
Quick View
View Product >
Captive Screw M6 6.0 50.0 303 Stainless with thread lock

20758226

Price Range
R 117,9289 - R 82,5928

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
Quick View
View Product >
Captive Screw M6 6.0 60.0 303 Stainless with thread lock

20758233

Price Range
R 124,315 - R 87,063

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    60.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Quick View
View Product >
Captive Screw M8 8.0 35.0 303 Stainless with thread lock

20758295

Price Range
R 125,1664 - R 87,7017

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    35.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Quick View
View Product >
Captive Screw M6 6.0 16.0 303 Stainless with thread lock

20758165

Price Range
R 100,048 - R 70,0336

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
Quick View
View Product >
Captive Screw M6 6.0 20.0 303 Stainless with thread lock

20758172

Price Range
R 101,9638 - R 71,3108

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    20.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Quick View
View Product >
Captive Screw M10 10.0 20.0 303 Stainless with thread lock

20758356

Price Range
R 155,6066 - R 108,9885

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    20.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Quick View
View Product >
Captive Screw M10 10.0 25.0 303 Stainless with thread lock

20758363

Price Range
R 161,9926 - R 113,4587

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
Quick View
View Product >
Captive Screw M8 8.0 20.0 303 Stainless with thread lock

20758264

Price Range
R 113,6716 - R 79,6127

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
Quick View
View Product >
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
Quick View
View Product >
Captive Screw M8 8.0 40.0 303 Stainless with thread lock

20758301

Price Range
R 129,8495 - R 90,8947

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    40.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Quick View
View Product >
Captive Screw M2.5 2.5 12.0 303 Stainless with thread lock

20757908

Price Range
R 90,4689 - R 63,4347

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
Quick View
View Product >
Captive Screw M3 3.0 10.0 303 Stainless with thread lock

20757922

Price Range
R 83,2314 - R 58,3259

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
Quick View
View Product >