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Cap Head Seal Screws

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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.

  • 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:

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44 results
Product SKUs information
Item Code Price range Availability d2 max h1 max Drive Torx d1 l1 d3 ±0.05 View
£ 1.6298 - £ 2.5073 Request the lead time here
7.0
4.0
TX 20
M4
16.0
4.5
£ 0.997 - £ 1.5339 55 In stock
3.8
2.0
TX 6
M2
8.0
2.35
£ 1.438 - £ 2.2123 202 In stock
5.5
3.0
TX 10
M3
8.0
3.6
£ 1.0162 - £ 1.5634 Request the lead time here
3.8
2.0
TX 6
M2
10.0
2.35
£ 1.4764 - £ 2.2713 Request the lead time here
5.5
3.0
TX 10
M3
10.0
3.6
£ 2.1666 - £ 3.3333 Request the lead time here
10.0
6.0
TX 30
M6
12.0
6.8
£ 1.5147 - £ 2.3303 Request the lead time here
7.0
4.0
TX 20
M4
8.0
4.5
£ 1.7831 - £ 2.7433 94 In stock
8.5
5.0
TX 25
M5
8.0
5.6
£ 1.5339 - £ 2.3598 Request the lead time here
7.0
4.0
TX 20
M4
10.0
4.5
£ 1.5147 - £ 2.3303 Request the lead time here
7.0
4.0
TX 20
M4
6.0
4.5
£ 1.3038 - £ 2.0059 Request the lead time here
4.5
2.5
TX 8
M2.5
8.0
2.75
£ 1.4572 - £ 2.2418 Request the lead time here
5.5
3.0
TX 10
M3
12.0
3.6
£ 2.7035 - £ 4.1592 54 In stock
13.0
8.0
TX 45
M8
12.0
8.5
£ 3.7197 - £ 5.7227 Request the lead time here
16.0
10.0
TX 50
M10
25.0
10.6
£ 4.642 - £ 7.1415 Request the lead time here
18.0
12.0
TX 55
M12
50.0
12.85
£ 4.6209 - £ 7.1091 Request the lead time here
18.0
12.0
TX 55
M12
20.0
12.85
£ 4.642 - £ 7.1415 Request the lead time here
18.0
12.0
TX 55
M12
25.0
12.85
£ 1.9174 - £ 2.9498 Request the lead time here
8.5
5.0
TX 25
M5
16.0
5.6
£ 2.4159 - £ 3.7168 Request the lead time here
10.0
6.0
TX 30
M6
30.0
6.8
£ 1.9557 - £ 3.0088 Request the lead time here
8.5
5.0
TX 25
M5
20.0
5.6
  • of 3
Cap Head Seal Screw M4 16.0 303 Stainless Steel

20227913

Price Range
£ 2.5073 - £ 1.6298

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
Cap Head Seal Screw M2 8.0 303 Stainless Steel

20227760

Price Range
£ 1.5339 - £ 0.997

Stock Levels
55 In stock
Attributes
  • d1
    M2
  • l1
    8.0
  • h1 max
    2.0
  • d2 max
    3.8
  • d3 ±0.05
    2.35
Cap Head Seal Screw M3 8.0 303 Stainless Steel

20227838

Price Range
£ 2.2123 - £ 1.438

Stock Levels
202 In stock
Attributes
  • d1
    M3
  • l1
    8.0
  • h1 max
    3.0
  • d2 max
    5.5
  • d3 ±0.05
    3.6
Cap Head Seal Screw M2 10.0 303 Stainless Steel

20227777

Price Range
£ 1.5634 - £ 1.0162

Stock Levels
Request the lead time here
Attributes
  • d1
    M2
  • l1
    10.0
  • h1 max
    2.0
  • d2 max
    3.8
  • d3 ±0.05
    2.35
Cap Head Seal Screw M3 10.0 303 Stainless Steel

20227845

Price Range
£ 2.2713 - £ 1.4764

Stock Levels
Request the lead time here
Attributes
  • d1
    M3
  • l1
    10.0
  • h1 max
    3.0
  • d2 max
    5.5
  • d3 ±0.05
    3.6
Cap Head Seal Screw M6 12.0 303 Stainless Steel

20227982

Price Range
£ 3.3333 - £ 2.1666

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    12.0
  • h1 max
    6.0
  • d2 max
    10.0
  • d3 ±0.05
    6.8
Cap Head Seal Screw M4 8.0 303 Stainless Steel

20227883

Price Range
£ 2.3303 - £ 1.5147

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 M5 8.0 303 Stainless Steel

20227937

Price Range
£ 2.7433 - £ 1.7831

Stock Levels
94 In stock
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
£ 2.3598 - £ 1.5339

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 M4 6.0 303 Stainless Steel

20227876

Price Range
£ 2.3303 - £ 1.5147

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 M2.5 8.0 303 Stainless Steel

20227807

Price Range
£ 2.0059 - £ 1.3038

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 M3 12.0 303 Stainless Steel

20227852

Price Range
£ 2.2418 - £ 1.4572

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
£ 4.1592 - £ 2.7035

Stock Levels
54 In stock
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
£ 5.7227 - £ 3.7197

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 M12 50.0 303 Stainless Steel

20228170

Price Range
£ 7.1415 - £ 4.642

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 M12 20.0 303 Stainless Steel

20228132

Price Range
£ 7.1091 - £ 4.6209

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    20.0
  • h1 max
    12.0
  • d2 max
    18.0
  • d3 ±0.05
    12.85
Cap Head Seal Screw M12 25.0 303 Stainless Steel

20228149

Price Range
£ 7.1415 - £ 4.642

Stock Levels
Request the lead time here
Attributes
  • d1
    M12
  • l1
    25.0
  • h1 max
    12.0
  • d2 max
    18.0
  • d3 ±0.05
    12.85
Cap Head Seal Screw M5 16.0 303 Stainless Steel

20227968

Price Range
£ 2.9498 - £ 1.9174

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    16.0
  • h1 max
    5.0
  • d2 max
    8.5
  • d3 ±0.05
    5.6
Cap Head Seal Screw M6 30.0 303 Stainless Steel

20228026

Price Range
£ 3.7168 - £ 2.4159

Stock Levels
Request the lead time here
Attributes
  • d1
    M6
  • l1
    30.0
  • h1 max
    6.0
  • d2 max
    10.0
  • d3 ±0.05
    6.8
Cap Head Seal Screw M5 20.0 303 Stainless Steel

20227975

Price Range
£ 3.0088 - £ 1.9557

Stock Levels
Request the lead time here
Attributes
  • d1
    M5
  • l1
    20.0
  • h1 max
    5.0
  • d2 max
    8.5
  • d3 ±0.05
    5.6