M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP

Product code: SFHH6921-M5-20-88-BZP
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M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
M5 x 20mm Hex Flange Bolt - Serrated (DIN 6921) - 8.8 Steel BZP
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £0.11 £0.13
100 - 999 £0.07 £0.09
1000 - 4999 £0.06 £0.07
5000 + £0.05 £0.06
£0.13 / each
Quantity:


Product Specification
Thread Size M5
Thread Length 20mm
Pitch 0.80mm
Flange Diameter 11.8mm
Head Height 5.4mm
Across Flats 8.00mm
Standard DIN 6921
Head Style Serrated Flanged Hex Head
Material 8.8 Steel BZP

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M5 x 20mm Serrated Flange Hex Head Bolt DIN 6921 | 8.8 Steel BZP

For agricultural equipment panels, the M5 x 20mm flanged hex head bolt provides DIN 6921 geometry with serrations that help resist movement under vibration. The 20mm length gives a versatile fixing depth for common brackets, guards and fabricated assemblies.

A 8.00mm across flats size gives familiar hex tooling access, with the 5.4mm head height keeping the fixing robust without making the assembly overly bulky. 8.8 steel with a BZP finish gives a strong zinc plated option for machinery, fabricated frames and dry industrial environments.

Common Applications

Suitable installation areas include:

  • Agricultural machinery guards
  • Trailer fixtures
  • Plant service panels
  • Outdoor mechanical repairs

M5 x 20mm Serrated Flange Hex Head Bolt Dimensions

  • Thread Size: M5
  • Thread Length: 20mm
  • Pitch: 0.80mm
  • Across Flats: 8.00mm
  • Head Height: 5.4mm
  • Flange Diameter: 11.8mm
  • Standard: DIN 6921
  • Head Style: Serrated Flanged Hex Head
  • Material: 8.8 Steel BZP

Related Products

For matching sizes across the range, visit Serrated Flange Hex Head Bolts DIN 6921.

If the joint needs a mating thread, load spreader or removable fixing method, pair this bolt with suitable Washers and Nuts.

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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