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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 199,929 - R 285,4936 Request the lead time here
24.0
16.0
14.0
M16
50.0
17.50
R 95,7906 - R 136,6947 Request the lead time here
5.5
3.0
2.5
M3
10.0
3.60
R 100,5906 - R 143,7903 Request the lead time here
7.0
4.0
3.0
M4
6.0
4.50
R 101,8427 - R 145,4598 Request the lead time here
7.0
4.0
3.0
M4
12.0
4.50
R 110,3992 - R 157,7728 Request the lead time here
8.5
5.0
4.0
M5
10.0
5.60
R 125,8426 - R 179,8944 Request the lead time here
10.0
6.0
5.0
M6
20.0
6.80
R 121,0426 - R 172,7988 Request the lead time here
13.0
8.0
6.0
M8
12.0
8.50
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
25.0
10.60
R 131,2686 - R 187,6161 Request the lead time here
13.0
8.0
6.0
M8
30.0
8.50
R 182,3987 - R 260,4503 Request the lead time here
16.0
10.0
8.0
M10
40.0
10.60
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
25.0
17.50
R 98,921 - R 141,2859 Request the lead time here
5.5
3.0
2.5
M3
20.0
3.60
R 101,8427 - R 145,4598 Request the lead time here
7.0
4.0
3.0
M4
10.0
4.50
R 101,4253 - R 144,8337 Request the lead time here
7.0
4.0
3.0
M4
8.0
4.50
R 113,7383 - R 162,3641 Request the lead time here
8.5
5.0
4.0
M5
16.0
5.60
R 111,6514 - R 159,4423 Request the lead time here
8.5
5.0
4.0
M5
12.0
5.60
R 124,5904 - R 178,0161 Request the lead time here
10.0
6.0
5.0
M6
16.0
6.80
R 127,0947 - R 181,5639 Request the lead time here
10.0
6.0
5.0
M6
25.0
6.80
R 130,8512 - R 186,7813 Request the lead time here
10.0
6.0
5.0
M6
30.0
6.80
    • of 2
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
View Product >
Seal Screw M3 10.0 3.0 303 Stainless with thread lock

20759407

Price Range
R 136,6947 - R 95,7906

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 6.0 4.0 303 Stainless with thread lock

20759438

Price Range
R 143,7903 - R 100,5906

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
View Product >
Seal Screw M4 12.0 4.0 303 Stainless with thread lock

20759469

Price Range
R 145,4598 - R 101,8427

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
R 157,7728 - R 110,3992

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 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 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
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 M8 30.0 8.0 303 Stainless with thread lock

20759636

Price Range
R 187,6161 - R 131,2686

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    30.0
  • h1 max
    8.0
  • d2 max
    13.0
  • A/F
    6.0
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 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 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 M3 20.0 3.0 303 Stainless with thread lock

20759421

Price Range
R 141,2859 - R 98,921

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
View Product >
Seal Screw M4 10.0 4.0 303 Stainless with thread lock

20759452

Price Range
R 145,4598 - R 101,8427

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 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 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 M5 12.0 5.0 303 Stainless with thread lock

20759513

Price Range
R 159,4423 - R 111,6514

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
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 >
Seal Screw M6 25.0 6.0 303 Stainless with thread lock

20759575

Price Range
R 181,5639 - R 127,0947

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    25.0
  • h1 max
    6.0
  • d2 max
    10.0
  • A/F
    5.0
Quick View
View Product >
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 >