M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel

Product code: SFHH6921-M8-40-A2-70
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M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
M8 x 40mm Hex Serrated Flange Bolt (DIN 6921) | A2 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 9 £1.51 £1.81
10 - 24 £1.21 £1.45
25 - 49 £0.91 £1.09
50 - 99 £0.76 £0.91
100 - 499 £0.68 £0.82
500 - 999 £0.61 £0.73
1000 + £0.45 £0.54
£1.81 / each
Quantity:


Product Specification
Thread Size M8
Thread Length 40mm
Pitch 1.25mm
Flange Diameter 18.0mm
Head Height 8.1mm
Across Flats 13.00mm
Standard DIN 6921
Head Style Serrated Flanged Hex Head
Material A2-70 Stainless Steel

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M8 x 40mm Serrated Flange Hex Head Bolt DIN 6921 | A2-70 Stainless Steel

Use this M8 x 40mm DIN 6921 serrated flange bolt when conveyor side plates needs a wide bearing face and a more secure underside grip. With a 40mm length, it suits thicker brackets, spacers and deeper mounting points used in equipment builds.

A hex head gives quick installation with common tools while the flange face helps control pressure on the joined materials. A2 stainless steel provides a clean corrosion resistant finish for general engineering, access equipment and indoor or sheltered outdoor assemblies.

Common Applications

Typical UK trade uses include:

  • Roller bed brackets
  • Maintenance replacement work
  • Conveyor frames and belt guards
  • Packaging machinery mounts

M8 x 40mm Serrated Flange Hex Head Bolt Dimensions

  • Thread Size: M8
  • Thread Length: 40mm
  • Pitch: 1.25mm
  • Flange Diameter: 18.0mm
  • Head Height: 8.1mm
  • Across Flats: 13.00mm
  • Material: A2-70 Stainless Steel
  • Standard: DIN 6921
  • Head Style: Serrated Flanged Hex Head

Related Products

Browse the full Serrated Flange Hex Head Bolts DIN 6921 category to compare the available metric sizes.

These serrated flange bolts can be used with Washers and Nuts when the fixing method or drawing specification requires them.

You can also compare other options in our Bolts and Screws range.

Need help choosing the right serrated flange bolt for your application? Call 01233 713581 for technical support or bulk order advice.

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