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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
Essentra Part Number Price range Availability d2 max h1 max A/F d1 l1 d3 ±0.05 View
R 121,0426 - R 172,7988 Request the lead time here
13.0
8.0
6.0
M8
12.0
8.50
R 123,9643 - R 176,9726 Request the lead time here
10.0
6.0
5.0
M6
12.0
6.80
R 103,721 - R 148,1728 Request the lead time here
7.0
4.0
3.0
M4
20.0
4.50
R 94,5384 - R 135,0251 Request the lead time here
5.5
3.0
2.5
M3
6.0
3.60
R 109,7731 - R 156,938 Request the lead time here
8.5
5.0
4.0
M5
8.0
5.60
R 95,1645 - R 136,0686 Request the lead time here
5.5
3.0
2.5
M3
8.0
3.60
R 199,929 - R 285,4936 Request the lead time here
24.0
16.0
14.0
M16
40.0
17.50
R 125,8426 - R 179,8944 Request the lead time here
10.0
6.0
5.0
M6
20.0
6.80
R 113,7383 - R 162,3641 Request the lead time here
8.5
5.0
4.0
M5
16.0
5.60
R 199,929 - R 285,4936 Request the lead time here
24.0
16.0
14.0
M16
50.0
17.50
R 130,8512 - R 186,7813 Request the lead time here
10.0
6.0
5.0
M6
30.0
6.80
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
20.0
10.60
R 158,3989 - R 226,2245 Request the lead time here
18.0
12.0
10.0
M12
40.0
12.85
R 96,4167 - R 137,7381 Request the lead time here
5.5
3.0
2.5
M3
10.0
3.60
R 101,4253 - R 144,8337 Request the lead time here
7.0
4.0
3.0
M4
8.0
4.50
R 199,929 - R 285,4936 Request the lead time here
24.0
16.0
14.0
M16
25.0
17.50
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
40.0
10.60
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
25.0
10.60
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
30.0
10.60
R 124,5904 - R 178,0161 Request the lead time here
10.0
6.0
5.0
M6
16.0
6.80
    • of 2
Seal Screw M8 12.0 8.0 303 Stainless with thread lock

20759599

Price Range
R 172,7988 - R 121,0426

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
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Seal Screw M6 12.0 6.0 303 Stainless with thread lock

20759544

Price Range
R 176,9726 - R 123,9643

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
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Seal Screw M4 20.0 4.0 303 Stainless with thread lock

20759483

Price Range
R 148,1728 - R 103,721

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    20.0
  • h1 max
    4.0
  • d2 max
    7.0
  • A/F
    3.0
Quick View
View Product >
Seal Screw M3 6.0 3.0 303 Stainless with thread lock

20759384

Price Range
R 135,0251 - R 94,5384

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    6.0
  • h1 max
    3.0
  • d2 max
    5.5
  • A/F
    2.5
Quick View
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Seal Screw M5 8.0 5.0 303 Stainless with thread lock

20759490

Price Range
R 156,938 - R 109,7731

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
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Seal Screw M3 8.0 3.0 303 Stainless with thread lock

20759391

Price Range
R 136,0686 - R 95,1645

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    8.0
  • h1 max
    3.0
  • d2 max
    5.5
  • A/F
    2.5
Quick View
View Product >
Seal Screw M16 40.0 16.0 303 Stainless with thread lock

20759766

Price Range
R 285,4936 - R 199,929

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1
    40.0
  • h1 max
    16.0
  • d2 max
    24.0
  • A/F
    14.0
Quick View
View Product >
Seal Screw M6 20.0 6.0 303 Stainless with thread lock

20759568

Price Range
R 179,8944 - R 125,8426

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 16.0 5.0 303 Stainless with thread lock

20759520

Price Range
R 162,3641 - R 113,7383

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 M16 50.0 16.0 303 Stainless with thread lock

20759773

Price Range
R 285,4936 - R 199,929

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1
    50.0
  • h1 max
    16.0
  • d2 max
    24.0
  • A/F
    14.0
Quick View
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Seal Screw M6 30.0 6.0 303 Stainless with thread lock

20759582

Price Range
R 186,7813 - R 130,8512

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    30.0
  • h1 max
    6.0
  • d2 max
    10.0
  • A/F
    5.0
Quick View
View Product >
Seal Screw M10 20.0 10.0 303 Stainless with thread lock

20759650

Price Range
R 260,4503 - R 182,3987

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    20.0
  • h1 max
    10.0
  • d2 max
    16.0
  • A/F
    8.0
Quick View
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Seal Screw M12 40.0 12.0 303 Stainless with thread lock

20759728

Price Range
R 226,2245 - R 158,3989

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 M3 10.0 3.0 303 Stainless with thread lock

20759414

Price Range
R 137,7381 - R 96,4167

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
View Product >
Seal Screw M4 8.0 4.0 303 Stainless with thread lock

20759445

Price Range
R 144,8337 - R 101,4253

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    8.0
  • h1 max
    4.0
  • d2 max
    7.0
  • A/F
    3.0
Quick View
View Product >
Seal Screw M16 25.0 16.0 303 Stainless with thread lock

20759742

Price Range
R 285,4936 - R 199,929

Stock Levels
Request the lead time here
Attributes
  • d1
    M16
  • l1
    25.0
  • h1 max
    16.0
  • d2 max
    24.0
  • A/F
    14.0
Quick View
View Product >
Seal Screw M10 40.0 10.0 303 Stainless with thread lock

20759681

Price Range
R 260,4503 - R 182,3987

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    40.0
  • h1 max
    10.0
  • d2 max
    16.0
  • A/F
    8.0
Quick View
View Product >
Seal Screw M10 25.0 10.0 303 Stainless with thread lock

20759667

Price Range
R 260,4503 - R 182,3987

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    25.0
  • h1 max
    10.0
  • d2 max
    16.0
  • A/F
    8.0
Quick View
View Product >
Seal Screw M10 30.0 10.0 303 Stainless with thread lock

20759674

Price Range
R 260,4503 - R 182,3987

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    30.0
  • h1 max
    10.0
  • d2 max
    16.0
  • A/F
    8.0
Quick View
View Product >
Seal Screw M6 16.0 6.0 303 Stainless with thread lock

20759551

Price Range
R 178,0161 - R 124,5904

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 >