Socket Screws

Socket screws have a cylindrical head and an internal hex drive. They are used when externally wrenched fasteners are not practical because of a lack of space. Socket screws are tightened using an Allan or Hex key. Discover everything you need to know in our socket screws guide.

RS offer an extensive range of high-quality threaded fixings with standard metric threads and UNC (Unified National Coarse) thread.

Head Shapes

Hex Socket Button - has a larger head diameter making them more appropriate for holding thin materials such as sheet metal guards.

Hex Socket Cap - Socket cap screws have a head height equal to the shank diameter. They are used instead of a hex bolt when there is less clearance available.

Hex Socket Countersunk - used when you need a screw to fit flush or below the surface of your material.

Hex Socket Shoulder - often used as a pivot point or axis because shoulders are ground to a tight tolerance. They feature a small cylindrical head with tall vertical sides.

What are the different types of materials available?

Our socket screws are available in a range of materials to suit every application and environment. They include;

  • Stainless Steel, including 316 and 304 grades
  • Steel
  • Brass
  • Titanium Alloy

When would I use a Socket Screw?

Socket screws are often used in applications where there is limited clearance such as in machine building and maintenance, tools and dies, and engineering applications.

What are the advantages of using a Socket Screw?

As compared to ordinary fasteners, fewer socket screws of the same size can achieve the same clamping force in a joint.

As fewer screws are required for a given job, fewer holes are required to be drilled and tapped.

There is weight reduction as fewer screws are used.

There are weight reductions due to the smaller size of the component parts. The cylindrical heads of socket screws require less space than hex heads and require no additional wrench space.


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Beskrivning Pris Thread Size Length Head Shape Material Stainless Steel Type Finish Thread Type Standards Met Thread Pitch
RS-artikelnummer 171-893
VarumärkeRS PRO
195,90 kr
1 Box of 50
Låda(or)
M6 16mm Hex Socket Countersunk Stainless Steel A2 304 Plain Metric ISO 10642 1mm
RS-artikelnummer 822-9325
VarumärkeRS PRO
649,12 kr
1 Bag of 100
Påse(ar)
M5 35mm Hex Socket Cap Steel - Bright Zinc Plated Metric DIN 912 0.8mm
RS-artikelnummer 232-8366
VarumärkeRS PRO
105,04 kr
1 Box of 50
Låda(or)
M3 10mm Hex Socket Countersunk Stainless Steel A4 316 Plain Metric ISO 10642 0.5mm
RS-artikelnummer 483-9587
VarumärkeRS PRO
71,10 kr
1 Box of 100
Låda(or)
M4 10mm Hex Socket Button Steel - Bright Zinc Plated Metric ISO 7380 0.7mm
RS-artikelnummer 483-8124
VarumärkeRS PRO
387,80 kr
1 Box of 100
Låda(or)
M2.5 6mm Hex Socket Cap Steel - Bright Zinc Plated Metric DIN 912 0.45mm
RS-artikelnummer 281-423
VarumärkeRS PRO
158,47 kr
1 Box of 100
Låda(or)
M4 10mm Hex Socket Countersunk Steel - Black, Self-Colour Metric - 0.7mm
RS-artikelnummer 304-4766
VarumärkeRS PRO
381,45 kr
1 Box of 50
Låda(or)
M5 40mm Hex Socket Button Stainless Steel A4 316 Plain Metric ISO 7380 0.8mm
RS-artikelnummer 232-8142
VarumärkeRS PRO
127,54 kr
1 Box of 50
Låda(or)
M3 8mm Hex Socket Button Stainless Steel A4 316 Plain Metric ISO 7380 0.5mm
RS-artikelnummer 187-1314
VarumärkeRS PRO
360,34 kr
1 Bag of 50
Påse(ar)
M5 12mm Hex Socket Cap Stainless Steel A4 316 Plain Metric DIN 912 0.8mm
RS-artikelnummer 293-353
VarumärkeRS PRO
372,92 kr
1 Box of 50
Låda(or)
M5 40mm Hex Socket Cap Stainless Steel A2 304 Plain Metric - 0.8mm
RS-artikelnummer 293-381
VarumärkeRS PRO
421,01 kr
1 Box of 50
Låda(or)
M6 40mm Hex Socket Cap Stainless Steel A2 304 Plain Metric - 1mm
RS-artikelnummer 293-397
VarumärkeRS PRO
472,10 kr
1 Box of 50
Låda(or)
M6 45mm Hex Socket Cap Stainless Steel A2 304 Plain Metric - 1mm
RS-artikelnummer 874-0995
VarumärkeRS PRO
179,29 kr
1 Bag of 20
Påse(ar)
M3 6mm Hex Socket Cap Stainless Steel A2 304 Plain Metric DIN 912 0.5mm
RS-artikelnummer 304-4564
VarumärkeRS PRO
543,22 kr
1 Bag of 50
Påse(ar)
M5 60mm Hex Socket Cap Stainless Steel A4 316 Plain Metric DIN 912 0.8mm
RS-artikelnummer 483-8405
VarumärkeRS PRO
266,71 kr
1 Box of 50
Låda(or)
M8 30mm Hex Socket Cap Steel - Bright Zinc Plated Metric DIN 912 1.25mm
RS-artikelnummer 822-9094
VarumärkeRS PRO
115,92 kr
1 Bag of 100
Påse(ar)
M3 5mm Hex Socket Button Steel - Black, Self-Colour Metric ISO 7380 0.5mm
RS-artikelnummer 483-9543
VarumärkeRS PRO
169,88 kr
1 Box of 100
Låda(or)
M3 8mm Hex Socket Button Steel - Bright Zinc Plated Metric ISO 7380 0.5mm
RS-artikelnummer 660-4636
VarumärkeRS PRO
295,07 kr
1 Bag of 50
Påse(ar)
M3 10mm Hex Socket Cap Stainless Steel A4 316 Plain Metric DIN 912 0.5mm
RS-artikelnummer 281-237
VarumärkeRS PRO
169,13 kr
1 Box of 100
Låda(or)
M4 12mm Hex Socket Button Steel - Black, Self-Colour Metric ISO 7380 0.7mm
RS-artikelnummer 187-1207
VarumärkeRS PRO
195,90 kr
1 Bag of 50
Påse(ar)
M3 6mm Hex Socket Cap Stainless Steel A4 316 Plain Metric DIN 912 0.5mm