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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 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 127,0947 - R 181,5639 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 142,3294 - R 203,2681 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 78,0516 - R 111,4427 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 99,3384 - R 141,912 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 73,0429 - R 104,3471 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 76,7994 - R 109,7731 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 83,4776 - R 119,1644 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 75,5473 - R 107,8949 Request the lead time here
M5
7.5
4.0
5.0
8.5
3.7
R 93,2863 - R 133,1469 Request the lead time here
M6
7.5
5.0
6.0
10.0
4.2
R 80,5559 - R 114,9905 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 91,408 - R 130,6425 Request the lead time here
M8
10.0
6.0
8.0
13.0
6.0
R 132,5208 - R 189,2856 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 162,7814 - R 232,4853 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 182,8161 - R 261,2851 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
R 189,0769 - R 270,0503 Request the lead time here
M16
20.0
14.0
16.0
24.0
12.0
R 139,4077 - R 199,0942 Request the lead time here
M10
12.5
8.0
10.0
16.0
7.5
R 137,5294 - R 196,3812 Request the lead time here
M12
15.0
10.0
12.0
18.0
8.0
  • of 4
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 M12 12.0 25.0 303 Stainless with thread lock

20758448

Price Range
R 181,5639 - R 127,0947

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    25.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M12 12.0 40.0 303 Stainless with thread lock

20758479

Price Range
R 203,2681 - R 142,3294

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    40.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2
Captive Screw M8 8.0 20.0 303 Stainless with thread lock

20758264

Price Range
R 111,4427 - R 78,0516

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
Captive Screw M8 8.0 60.0 303 Stainless with thread lock

20758332

Price Range
R 141,912 - R 99,3384

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    60.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M6 6.0 30.0 303 Stainless with thread lock

20758196

Price Range
R 104,3471 - R 73,0429

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    30.0
  • 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 M8 8.0 16.0 303 Stainless with thread lock

20758257

Price Range
R 109,7731 - R 76,7994

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1 025
    16.0
  • d2 a012
    6.0
  • d3 max
    13.0
  • d4 min
    8.5
Captive Screw M8 8.0 30.0 303 Stainless with thread lock

20758288

Price Range
R 119,1644 - R 83,4776

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 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 M6 6.0 80.0 303 Stainless with thread lock

20758240

Price Range
R 133,1469 - R 93,2863

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1 025
    80.0
  • d2 a012
    4.2
  • d3 max
    10.0
  • d4 min
    6.5
Captive Screw M8 8.0 25.0 303 Stainless with thread lock

20758271

Price Range
R 114,9905 - R 80,5559

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 45.0 303 Stainless with thread lock

20758318

Price Range
R 130,6425 - R 91,408

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 M12 12.0 30.0 303 Stainless with thread lock

20758455

Price Range
R 189,2856 - R 132,5208

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 60.0 303 Stainless with thread lock

20758509

Price Range
R 232,4853 - R 162,7814

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    60.0
  • 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 261,2851 - R 182,8161

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 M16 16.0 45.0 303 Stainless with thread lock

20758554

Price Range
R 270,0503 - R 189,0769

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
Captive Screw M10 10.0 60.0 303 Stainless with thread lock

20758424

Price Range
R 199,0942 - R 139,4077

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1 025
    60.0
  • d2 a012
    7.5
  • d3 max
    16.0
  • d4 min
    10.6
Captive Screw M12 12.0 35.0 303 Stainless with thread lock

20758462

Price Range
R 196,3812 - R 137,5294

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1 025
    35.0
  • d2 a012
    8.0
  • d3 max
    18.0
  • d4 min
    13.2