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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 130,9139 - R 186,8982 Request the lead time here
13.0
8.0
6.0
M8
25.0
8.50
R 96,4292 - R 137,7257 Request the lead time here
5.5
3.0
2.5
M3
6.0
3.60
R 161,5669 - R 230,749 Request the lead time here
18.0
12.0
10.0
M12
40.0
12.85
R 161,5669 - R 230,749 Request the lead time here
18.0
12.0
10.0
M12
50.0
12.85
R 188,6011 - R 269,2781 Request the lead time here
18.0
12.0
10.0
M12
30.0
12.85
R 112,6072 - R 160,9283 Request the lead time here
8.5
5.0
4.0
M5
10.0
5.60
R 98,3451 - R 140,4929 Request the lead time here
5.5
3.0
2.5
M3
10.0
3.60
R 126,4437 - R 180,5121 Request the lead time here
10.0
6.0
5.0
M6
12.0
6.80
R 103,8796 - R 148,3691 Request the lead time here
7.0
4.0
3.0
M4
12.0
4.50
R 188,6011 - R 269,2781 Request the lead time here
18.0
12.0
10.0
M12
25.0
12.85
R 186,0467 - R 265,6594 Request the lead time here
16.0
10.0
8.0
M10
16.0
10.60
R 128,3595 - R 183,4923 Request the lead time here
10.0
6.0
5.0
M6
20.0
6.80
R 103,8796 - R 148,3691 Request the lead time here
7.0
4.0
3.0
M4
10.0
4.50
R 100,8995 - R 144,1117 Request the lead time here
5.5
3.0
2.5
M3
20.0
3.60
R 127,7209 - R 182,428 Request the lead time here
13.0
8.0
6.0
M8
20.0
8.50
R 111,9686 - R 160,0768 Request the lead time here
8.5
5.0
4.0
M5
8.0
5.60
R 97,7065 - R 139,4286 Request the lead time here
5.5
3.0
2.5
M3
10.0
3.60
R 117,7161 - R 168,1658 Request the lead time here
8.5
5.0
4.0
M5
20.0
5.60
R 102,6024 - R 146,6661 Request the lead time here
7.0
4.0
3.0
M4
6.0
4.50
R 186,0467 - R 265,6594 Request the lead time here
16.0
10.0
8.0
M10
30.0
10.60
    • of 2
Seal Screw M8 25.0 8.0 303 Stainless with thread lock

20759629

Price Range
R 186,8982 - R 130,9139

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 M3 6.0 3.0 303 Stainless with thread lock

20759384

Price Range
R 137,7257 - R 96,4292

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
View Product >
Seal Screw M12 40.0 12.0 303 Stainless with thread lock

20759728

Price Range
R 230,749 - R 161,5669

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 M12 50.0 12.0 303 Stainless with thread lock

20759735

Price Range
R 230,749 - R 161,5669

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 M12 30.0 12.0 303 Stainless with thread lock

20759711

Price Range
R 269,2781 - R 188,6011

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 M5 10.0 5.0 303 Stainless with thread lock

20759506

Price Range
R 160,9283 - R 112,6072

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 M3 10.0 3.0 303 Stainless with thread lock

20759414

Price Range
R 140,4929 - R 98,3451

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 M6 12.0 6.0 303 Stainless with thread lock

20759544

Price Range
R 180,5121 - R 126,4437

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 M4 12.0 4.0 303 Stainless with thread lock

20759469

Price Range
R 148,3691 - R 103,8796

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
View Product >
Seal Screw M12 25.0 12.0 303 Stainless with thread lock

20759704

Price Range
R 269,2781 - R 188,6011

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 M10 16.0 10.0 303 Stainless with thread lock

20759643

Price Range
R 265,6594 - R 186,0467

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 M6 20.0 6.0 303 Stainless with thread lock

20759568

Price Range
R 183,4923 - R 128,3595

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 M4 10.0 4.0 303 Stainless with thread lock

20759452

Price Range
R 148,3691 - R 103,8796

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 M3 20.0 3.0 303 Stainless with thread lock

20759421

Price Range
R 144,1117 - R 100,8995

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 M8 20.0 8.0 303 Stainless with thread lock

20759612

Price Range
R 182,428 - R 127,7209

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 M5 8.0 5.0 303 Stainless with thread lock

20759490

Price Range
R 160,0768 - R 111,9686

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 >
Seal Screw M3 10.0 3.0 303 Stainless with thread lock

20759407

Price Range
R 139,4286 - R 97,7065

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 M5 20.0 5.0 303 Stainless with thread lock

20759537

Price Range
R 168,1658 - R 117,7161

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    20.0
  • h1 max
    5.0
  • d2 max
    8.5
  • A/F
    4.0
Quick View
View Product >
Seal Screw M4 6.0 4.0 303 Stainless with thread lock

20759438

Price Range
R 146,6661 - R 102,6024

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 M10 30.0 10.0 303 Stainless with thread lock

20759674

Price Range
R 265,6594 - R 186,0467

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 >