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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Description Price Length Thread Size Material Stainless Steel Type Steel Type Grade Finish Thread Pitch
RS Stock No. 917-3154
BrandRS PRO
£25.95
1 Bag of 25
Bag(s)
150mm M8 Steel - High Tensile Steel 8.8 Bright Zinc Plated 1.25
RS Stock No. 917-3194
BrandRS PRO
£30.29
1 Bag of 25
Bag(s)
180mm M10 Steel - High Tensile Steel 8.8 Bright Zinc Plated 1.5
RS Stock No. 263-2211
BrandRS PRO
£14.23
1 Bag of 100
Bag(s)
20mm M5 Stainless Steel A4 316 - - Plain -
RS Stock No. 279-789
BrandRS PRO
£17.21
1 Box of 25
Box(es)
50mm M12 Steel - High Tensile Steel 8.8 Clear Passivated, Zinc 1.75
RS Stock No. 190-232
BrandRS PRO
£18.43
1 Bag of 50
Bag(s)
50mm M6 Stainless Steel A4 316 - - Plain -
RS Stock No. 279-701
BrandRS PRO
£23.92
1 Box of 50
Box(es)
50mm M10 Steel - High Tensile Steel 8.8 Clear Passivated, Zinc 1.5
RS Stock No. 508-1133
BrandRS PRO
£44.74
1 Bag of 25
Bag(s)
80mm M12 Stainless Steel A2 304 - 304 Plain 1.75
RS Stock No. 263-2148
BrandRS PRO
£14.09
1 Bag of 100
Bag(s)
20mm M4 Stainless Steel A4 316 - - Plain -
RS Stock No. 190-204
BrandRS PRO
£14.24
1 Bag of 50
Bag(s)
35mm M6 Stainless Steel A4 316 - - Plain -
RS Stock No. 279-543
BrandRS PRO
£12.36
1 Box of 100
Box(es)
35mm M6 Steel - High Tensile Steel 8.8 Clear Passivated, Zinc 1
RS Stock No. 183-9174
BrandRS PRO
£23.12
1 Bag of 10
Bag(s)
80mm M12 Stainless Steel A4 316 - - Plain -
RS Stock No. 263-2132
BrandRS PRO
£12.99
1 Bag of 100
Bag(s)
16mm M4 Stainless Steel A4 316 - - Plain -
RS Stock No. 917-6229
BrandRS PRO
£13.87
1 Bag of 50
Bag(s)
30mm M6 Stainless Steel A2 304 - 304 - 1
RS Stock No. 484-0098
BrandRS PRO
£12.12
1 Bag of 100
Bag(s)
12mm M5 Stainless Steel A4 316 - - Plain -
RS Stock No. 190-333
BrandRS PRO
£38.59
1 Bag of 50
Bag(s)
60mm M8 Stainless Steel A4 316 - - Plain -
RS Stock No. 190-181
BrandRS PRO
£11.63
1 Bag of 50
Bag(s)
25mm M6 Stainless Steel A4 316 - - Plain -
RS Stock No. 279-953
BrandRS PRO
£25.67
1 Box of 10
Box(es)
120mm M16 Steel - High Tensile Steel 8.8 Clear Passivated, Zinc 2
RS Stock No. 279-830
BrandRS PRO
£24.73
1 Box of 25
Box(es)
80mm M12 Steel - High Tensile Steel 8.8 Clear Passivated, Zinc 1.75
RS Stock No. 917-3081
BrandRS PRO
£6.18
1 Bag of 50
Bag(s)
35mm M5 Steel - High Tensile Steel 8.8 Bright Zinc Plated 0.8
RS Stock No. 917-3090
BrandRS PRO
£6.25
1 Bag of 50
Bag(s)
40mm M5 Steel - High Tensile Steel 8.8 Bright Zinc Plated 0.8