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Cap Head Seal Screws

In production

This range of sealing screws has a cap head with a torx socket drive, incorporating an O-ring that is compressed-squeezed between the head, the socket drive and the mating surface to complete the seal. Manufactured from stainless steel, which provides good corrosion resistance and is slightly magnetic.

Seal screws are a type of fastener designed with an o-ring to provide secure bi-directional protection against contaminates such as gases and fluids in various applications, minimising the risk of damage to sensitive equipment. They prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.

Seal screws are used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries.

Please note: Our seal screws are designed for use in applications where sealing properties are required. It could be confused with standard fasteners, these do not require sealing properties and with an O-ring you will not get a sealing property like you get with seal screws and may damage the ring. Clearance holes are recommended for optimal sealing performance (see measurements below). Clearance hole depth is 2-3 times the thread pitch; threads are metric coarse pitch.

  • Designed with an o-ring to provide secure bi-directional protection against contaminates, such as gases and fluids, in various applications
  • Prevents the entry of water, dust or other contaminants, ensuring a secure and reliable connection.
  • Used in threaded and non-threaded holes, in applications such as cabinets, or used in the automotive and electric industries.
Material: 303 Stainless Steel Series Code: SRP0173.TX

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44 results
Product SKUs information
Essentra Part Number Price range Availability d2 max h1 max Drive Torx Drive Type d1 l1 d3 ±0.05 View
R 41,6124 - R 64,019 Request the lead time here
4.5
2.5
TX 8
Torx Drive
M2.5
10.0
2.75
R 103,8596 - R 159,7838 Request the lead time here
18.0
12.0
TX 55
Torx Drive
M12
50.0
12.85
R 32,6036 - R 50,1592 Request the lead time here
5.5
3.0
TX 10
Torx Drive
M3
12.0
3.6
R 60,4882 - R 93,0587 Request the lead time here
13.0
8.0
TX 45
Torx Drive
M8
12.0
8.5
R 83,2248 - R 128,0384 Request the lead time here
16.0
10.0
TX 50
Torx Drive
M10
25.0
10.6
R 39,8966 - R 61,3791 Request the lead time here
8.5
5.0
TX 25
Torx Drive
M5
8.0
5.6
R 34,3195 - R 52,7992 Request the lead time here
7.0
4.0
TX 20
Torx Drive
M4
10.0
4.5
R 61,7751 - R 95,0388 Request the lead time here
13.0
8.0
TX 45
Torx Drive
M8
16.0
8.5
R 79,7929 - R 122,7585 Request the lead time here
16.0
10.0
TX 50
Torx Drive
M10
20.0
10.6
R 64,3492 - R 98,9987 Request the lead time here
13.0
8.0
TX 45
Torx Drive
M8
20.0
8.5
R 33,8906 - R 52,1392 Request the lead time here
7.0
4.0
TX 20
Torx Drive
M4
8.0
4.5
R 29,1715 - R 44,8794 Request the lead time here
4.5
2.5
TX 8
Torx Drive
M2.5
8.0
2.75
R 33,8906 - R 52,1392 Request the lead time here
7.0
4.0
TX 20
Torx Drive
M4
6.0
4.5
R 94,3788 - R 145,1979 Request the lead time here
16.0
10.0
TX 50
Torx Drive
M10
40.0
10.6
R 41,6124 - R 64,019 Request the lead time here
8.5
5.0
TX 25
Torx Drive
M5
12.0
5.6
R 49,7634 - R 76,559 Request the lead time here
10.0
6.0
TX 30
Torx Drive
M6
16.0
6.8
R 24,8818 - R 38,2794 Request the lead time here
3.8
2.0
TX 6
Torx Drive
M2
12.0
2.35
R 23,5949 - R 36,2995 Request the lead time here
4.5
2.5
TX 8
Torx Drive
M2.5
6.0
2.75
R 31,7456 - R 48,8393 Request the lead time here
5.5
3.0
TX 10
Torx Drive
M3
6.0
3.6
R 36,4647 - R 56,0992 Request the lead time here
7.0
4.0
TX 20
Torx Drive
M4
16.0
4.5
  • of 3
Cap Head Seal Screw M2.5 10.0 303 Stainless Steel

20227081

Price Range
R 64,019 - R 41,6124

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1
    10.0
  • h1 max
    2.5
  • d2 max
    4.5
  • d3 ±0.05
    2.75
Cap Head Seal Screw M12 50.0 303 Stainless Steel

20228170

Price Range
R 159,7838 - R 103,8596

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    50.0
  • h1 max
    12.0
  • d2 max
    18.0
  • d3 ±0.05
    12.85
Cap Head Seal Screw M3 12.0 303 Stainless Steel

20227852

Price Range
R 50,1592 - R 32,6036

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    12.0
  • h1 max
    3.0
  • d2 max
    5.5
  • d3 ±0.05
    3.6
Cap Head Seal Screw M8 12.0 303 Stainless Steel

20228033

Price Range
R 93,0587 - R 60,4882

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    12.0
  • h1 max
    8.0
  • d2 max
    13.0
  • d3 ±0.05
    8.5
Cap Head Seal Screw M10 25.0 303 Stainless Steel

20228101

Price Range
R 128,0384 - R 83,2248

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    25.0
  • h1 max
    10.0
  • d2 max
    16.0
  • d3 ±0.05
    10.6
Cap Head Seal Screw M5 8.0 303 Stainless Steel

20227937

Price Range
R 61,3791 - R 39,8966

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    8.0
  • h1 max
    5.0
  • d2 max
    8.5
  • d3 ±0.05
    5.6
Cap Head Seal Screw M4 10.0 303 Stainless Steel

20227890

Price Range
R 52,7992 - R 34,3195

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    10.0
  • h1 max
    4.0
  • d2 max
    7.0
  • d3 ±0.05
    4.5
Cap Head Seal Screw M8 16.0 303 Stainless Steel

20228040

Price Range
R 95,0388 - R 61,7751

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    16.0
  • h1 max
    8.0
  • d2 max
    13.0
  • d3 ±0.05
    8.5
Cap Head Seal Screw M10 20.0 303 Stainless Steel

20228095

Price Range
R 122,7585 - R 79,7929

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    20.0
  • h1 max
    10.0
  • d2 max
    16.0
  • d3 ±0.05
    10.6
Cap Head Seal Screw M8 20.0 303 Stainless Steel

20228057

Price Range
R 98,9987 - R 64,3492

Stock Levels
Request the lead time here
Attributes
  • d1
    M8
  • l1
    20.0
  • h1 max
    8.0
  • d2 max
    13.0
  • d3 ±0.05
    8.5
Cap Head Seal Screw M4 8.0 303 Stainless Steel

20227883

Price Range
R 52,1392 - R 33,8906

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    8.0
  • h1 max
    4.0
  • d2 max
    7.0
  • d3 ±0.05
    4.5
Cap Head Seal Screw M2.5 8.0 303 Stainless Steel

20227807

Price Range
R 44,8794 - R 29,1715

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1
    8.0
  • h1 max
    2.5
  • d2 max
    4.5
  • d3 ±0.05
    2.75
Cap Head Seal Screw M4 6.0 303 Stainless Steel

20227876

Price Range
R 52,1392 - R 33,8906

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    6.0
  • h1 max
    4.0
  • d2 max
    7.0
  • d3 ±0.05
    4.5
Cap Head Seal Screw M10 40.0 303 Stainless Steel

20228125

Price Range
R 145,1979 - R 94,3788

Stock Levels
Request the lead time here
Attributes
  • d1
    M10
  • l1
    40.0
  • h1 max
    10.0
  • d2 max
    16.0
  • d3 ±0.05
    10.6
Cap Head Seal Screw M5 12.0 303 Stainless Steel

20227951

Price Range
R 64,019 - R 41,6124

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    12.0
  • h1 max
    5.0
  • d2 max
    8.5
  • d3 ±0.05
    5.6
Cap Head Seal Screw M6 16.0 303 Stainless Steel

20227999

Price Range
R 76,559 - R 49,7634

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    16.0
  • h1 max
    6.0
  • d2 max
    10.0
  • d3 ±0.05
    6.8
Cap Head Seal Screw M2 12.0 303 Stainless Steel

20227784

Price Range
R 38,2794 - R 24,8818

Stock Levels
Request the lead time here
Attributes
  • d1
    M2
  • l1
    12.0
  • h1 max
    2.0
  • d2 max
    3.8
  • d3 ±0.05
    2.35
Cap Head Seal Screw M2.5 6.0 303 Stainless Steel

20227791

Price Range
R 36,2995 - R 23,5949

Stock Levels
Request the lead time here
Attributes
  • d1
    M2.5
  • l1
    6.0
  • h1 max
    2.5
  • d2 max
    4.5
  • d3 ±0.05
    2.75
Cap Head Seal Screw M3 6.0 303 Stainless Steel

20227821

Price Range
R 48,8393 - R 31,7456

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    6.0
  • h1 max
    3.0
  • d2 max
    5.5
  • d3 ±0.05
    3.6
Cap Head Seal Screw M4 16.0 303 Stainless Steel

20227913

Price Range
R 56,0992 - R 36,4647

Stock Levels
Request the lead time here
Attributes
  • d1
    M4
  • l1
    16.0
  • h1 max
    4.0
  • d2 max
    7.0
  • d3 ±0.05
    4.5