Hex Bolts

Hex bolts have a hexagonal head, are partially threaded and are used in machinery and construction applications. You can find out more in our complete guide to hex bolts.

Uses
They can be used with a nut or in a tapped hole and are tightened with a hex key or wrench.
Hexagon bolts are suitable for heavy duty fastening applications such as on bridges, buildings and road structures.

Materials used for Hex Bolts
  • Brass is a copper alloy which is more expensive than steel. It gives a better level of corrosion resistance.
  • Stainless Steel gives good corrosion resistance and can be used outdoors. There are two different types of stainless steel: A4 (316) has a higher corrosion resistance than A2 (304). Both grades can handle low and high temperatures.
  • Steel comes in different grade and strengths. A higher number indicates a stronger, more hardened material.
  • Zinc Plated Steel is used on bolts for indoor use and gives a moderate corrosion resistance.

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Viewing 1 - 20 of 30 products
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Description Price Length Thread Size Material Stainless Steel Type Steel Type Grade Finish Thread Pitch
RS Stock No. 473-3811
Mfr. Part No.M8X20
£8.39
1 Box of 50
Box(es)
20mm M8 Steel - - - Black Oxide -
RS Stock No. 418-8081
Mfr. Part No.M10X20
£9.52
1 Box of 10
Box(es)
20mm M10 Stainless Steel A2 304 - - Plain -
RS Stock No. 418-7959
Mfr. Part No.M6X16
£5.61
1 Box of 20
Box(es)
16mm M6 Stainless Steel A2 304 - - Plain -
RS Stock No. 505-4715
Mfr. Part No.4979874825841
£15.29
1 Bag of 30
Bag(s)
20mm M6 Stainless Steel - - - Plain -
RS Stock No. 473-3776
Mfr. Part No.M6X30
£11.20
1 Box of 100
Box(es)
30mm M6 Steel - - - Black Oxide -
RS Stock No. 473-3827
Mfr. Part No.M8X25
£9.80
1 Box of 50
Box(es)
25mm M8 Steel - - - Black Oxide -
RS Stock No. 505-4664
Mfr. Part No.4979874825797
£10.19
1 Bag of 30
Bag(s)
15mm M5 Stainless Steel - - - Plain -
RS Stock No. 418-8047
Mfr. Part No.M8X20
£10.29
1 Box of 20
Box(es)
20mm M8 Stainless Steel A2 304 - - Plain -
RS Stock No. 473-3833
Mfr. Part No.M8X30
£11.20
1 Box of 50
Box(es)
30mm M8 Steel - - - Black Oxide -
RS Stock No. 473-3805
Mfr. Part No.M8X15
£8.39
1 Box of 50
Box(es)
15mm M8 Steel - - - Black Oxide -
RS Stock No. 505-4670
Mfr. Part No.4979874825803
£11.87
1 Bag of 30
Bag(s)
20mm M5 Stainless Steel - - - Plain -
RS Stock No. 505-4692
Mfr. Part No.4979874825827
£13.57
1 Bag of 30
Bag(s)
12mm M6 Stainless Steel - - - Plain -
RS Stock No. 505-4709
Mfr. Part No.4979874825834
£15.29
1 Bag of 30
Bag(s)
15mm M6 Stainless Steel - - - Plain -
RS Stock No. 505-4658
Mfr. Part No.4979874825780
£8.52
1 Bag of 30
Bag(s)
10mm M5 Stainless Steel - - - Plain -
RS Stock No. 418-8019
Mfr. Part No.M8X15
£8.97
1 Box of 20
Box(es)
15mm M8 Stainless Steel A2 304 - - Plain -
RS Stock No. 505-4636
Mfr. Part No.4979874825766
£11.20
1 Bag of 50
Bag(s)
15mm M4 Stainless Steel - - - Plain -
RS Stock No. 418-8075
Mfr. Part No.M8X30
£12.32
1 Box of 20
Box(es)
30mm M8 Stainless Steel A2 304 - - Plain -
RS Stock No. 418-8025
Mfr. Part No.M8X16
£8.97
1 Box of 20
Box(es)
16mm M8 Stainless Steel A2 304 - - Plain -
RS Stock No. 418-7909
Mfr. Part No.M6X8
£6.72
1 Box of 20
Box(es)
8mm M6 Stainless Steel A2 304 - - Plain -
RS Stock No. 505-4721
Mfr. Part No.4979874825858
£13.59
1 Bag of 30
Bag(s)
25mm M6 Stainless Steel - - - Plain -