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Anu-Lok Cap Head Seal Screws

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Anu-Lok Cap Head Seal Screws have a cap head design for better torque control and feature a built-in sealing mechanism that is designed for holding a gas-tight seal. Made of stainless steel, which has high corrosion resistance and is somewhat magnetic.

These screws utilize Anu-Lok 180 (AnuLok), a reusable nylon patch that works like a nylon nut. During installation, the nylon patch contracts to fill the gap within the threads, creating a holding mechanism that prevents the screw from detaching due to vibrations or mechanical stress.

With a hexagonal socket head, they can be easily tightened or loosened using an hexagonal wrench or key.

  • It is reusable.
  • Can tolerate temperatures ranging from -100C up to +260C.
  • They are ideal for various applications including electronics, equipment and for automotive use.
  • Please note: Clearance holes recommended for maximum sealing.
Material: 303 Stainless with thread lock Series Code: SRP0173

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Product SKUs information
Item Code Price range Availability d2 max h1 max A/F d1 l1 d3 ±0.05 View
£ 3.89 - £ 6.48 Request the lead time here
8.5
5.0
4.0
M5
16.0
5.60
£ 3.82 - £ 6.37 Request the lead time here
8.5
5.0
4.0
M5
12.0
5.60
£ 4.27 - £ 7.11 Request the lead time here
10.0
6.0
5.0
M6
16.0
6.80
£ 3.28 - £ 5.46 Request the lead time here
5.5
3.0
2.5
M3
10.0
3.60
£ 3.44 - £ 5.74 Request the lead time here
7.0
4.0
3.0
M4
6.0
4.50
£ 3.49 - £ 5.81 Request the lead time here
7.0
4.0
3.0
M4
12.0
4.50
£ 3.78 - £ 6.30 Request the lead time here
8.5
5.0
4.0
M5
10.0
5.60
£ 3.49 - £ 5.81 Request the lead time here
7.0
4.0
3.0
M4
10.0
4.50
£ 4.28 - £ 7.14 Request the lead time here
13.0
8.0
6.0
M8
20.0
8.50
£ 3.38 - £ 5.64 Request the lead time here
5.5
3.0
2.5
M3
20.0
3.60
£ 5.42 - £ 9.03 Request the lead time here
18.0
12.0
10.0
M12
50.0
12.85
£ 4.24 - £ 7.07 Request the lead time here
10.0
6.0
5.0
M6
12.0
6.80
£ 4.39 - £ 7.32 Request the lead time here
13.0
8.0
6.0
M8
25.0
8.50
£ 6.24 - £ 10.40 Request the lead time here
16.0
10.0
8.0
M10
16.0
10.60
£ 6.32 - £ 10.54 Request the lead time here
18.0
12.0
10.0
M12
30.0
12.85
£ 4.14 - £ 6.90 Request the lead time here
13.0
8.0
6.0
M8
12.0
8.50
£ 6.32 - £ 10.54 Request the lead time here
18.0
12.0
10.0
M12
25.0
12.85
£ 5.42 - £ 9.03 Request the lead time here
18.0
12.0
10.0
M12
40.0
12.85
£ 4.31 - £ 7.18 Request the lead time here
10.0
6.0
5.0
M6
20.0
6.80
£ 3.76 - £ 6.27 Request the lead time here
8.5
5.0
4.0
M5
8.0
5.60
    • of 2
Seal Screw M5 16.0 5.0 303 Stainless with thread lock

20759520

Price Range
£ 6.48 - £ 3.89

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    16.0
  • h1 max
    5.0
  • d2 max
    8.5
  • A/F
    4.0
Quick View
View Product >
Seal Screw M5 12.0 5.0 303 Stainless with thread lock

20759513

Price Range
£ 6.37 - £ 3.82

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    12.0
  • h1 max
    5.0
  • d2 max
    8.5
  • A/F
    4.0
Quick View
View Product >
Seal Screw M6 16.0 6.0 303 Stainless with thread lock

20759551

Price Range
£ 7.11 - £ 4.27

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    16.0
  • h1 max
    6.0
  • d2 max
    10.0
  • A/F
    5.0
Quick View
View Product >
Seal Screw M3 10.0 3.0 303 Stainless with thread lock

20759407

Price Range
£ 5.46 - £ 3.28

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    10.0
  • h1 max
    3.0
  • d2 max
    5.5
  • A/F
    2.5
Quick View
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Seal Screw M4 6.0 4.0 303 Stainless with thread lock

20759438

Price Range
£ 5.74 - £ 3.44

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    6.0
  • h1 max
    4.0
  • d2 max
    7.0
  • A/F
    3.0
Quick View
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Seal Screw M4 12.0 4.0 303 Stainless with thread lock

20759469

Price Range
£ 5.81 - £ 3.49

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    12.0
  • h1 max
    4.0
  • d2 max
    7.0
  • A/F
    3.0
Quick View
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Seal Screw M5 10.0 5.0 303 Stainless with thread lock

20759506

Price Range
£ 6.30 - £ 3.78

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    10.0
  • h1 max
    5.0
  • d2 max
    8.5
  • A/F
    4.0
Quick View
View Product >
Seal Screw M4 10.0 4.0 303 Stainless with thread lock

20759452

Price Range
£ 5.81 - £ 3.49

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    10.0
  • h1 max
    4.0
  • d2 max
    7.0
  • A/F
    3.0
Quick View
View Product >
Seal Screw M8 20.0 8.0 303 Stainless with thread lock

20759612

Price Range
£ 7.14 - £ 4.28

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    20.0
  • h1 max
    8.0
  • d2 max
    13.0
  • A/F
    6.0
Quick View
View Product >
Seal Screw M3 20.0 3.0 303 Stainless with thread lock

20759421

Price Range
£ 5.64 - £ 3.38

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    20.0
  • h1 max
    3.0
  • d2 max
    5.5
  • A/F
    2.5
Quick View
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Seal Screw M12 50.0 12.0 303 Stainless with thread lock

20759735

Price Range
£ 9.03 - £ 5.42

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    50.0
  • h1 max
    12.0
  • d2 max
    18.0
  • A/F
    10.0
Quick View
View Product >
Seal Screw M6 12.0 6.0 303 Stainless with thread lock

20759544

Price Range
£ 7.07 - £ 4.24

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    12.0
  • h1 max
    6.0
  • d2 max
    10.0
  • A/F
    5.0
Quick View
View Product >
Seal Screw M8 25.0 8.0 303 Stainless with thread lock

20759629

Price Range
£ 7.32 - £ 4.39

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    25.0
  • h1 max
    8.0
  • d2 max
    13.0
  • A/F
    6.0
Quick View
View Product >
Seal Screw M10 16.0 10.0 303 Stainless with thread lock

20759643

Price Range
£ 10.40 - £ 6.24

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    16.0
  • h1 max
    10.0
  • d2 max
    16.0
  • A/F
    8.0
Quick View
View Product >
Seal Screw M12 30.0 12.0 303 Stainless with thread lock

20759711

Price Range
£ 10.54 - £ 6.32

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    30.0
  • h1 max
    12.0
  • d2 max
    18.0
  • A/F
    10.0
Quick View
View Product >
Seal Screw M8 12.0 8.0 303 Stainless with thread lock

20759599

Price Range
£ 6.90 - £ 4.14

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    12.0
  • h1 max
    8.0
  • d2 max
    13.0
  • A/F
    6.0
Quick View
View Product >
Seal Screw M12 25.0 12.0 303 Stainless with thread lock

20759704

Price Range
£ 10.54 - £ 6.32

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    25.0
  • h1 max
    12.0
  • d2 max
    18.0
  • A/F
    10.0
Quick View
View Product >
Seal Screw M12 40.0 12.0 303 Stainless with thread lock

20759728

Price Range
£ 9.03 - £ 5.42

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    40.0
  • h1 max
    12.0
  • d2 max
    18.0
  • A/F
    10.0
Quick View
View Product >
Seal Screw M6 20.0 6.0 303 Stainless with thread lock

20759568

Price Range
£ 7.18 - £ 4.31

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    20.0
  • h1 max
    6.0
  • d2 max
    10.0
  • A/F
    5.0
Quick View
View Product >
Seal Screw M5 8.0 5.0 303 Stainless with thread lock

20759490

Price Range
£ 6.27 - £ 3.76

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    8.0
  • h1 max
    5.0
  • d2 max
    8.5
  • A/F
    4.0
Quick View
View Product >