M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel

Product code: FHH6921-M16-50-88-BZP
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M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
M16 x 50mm Hex (Non Serrated) Flange Bolt (DIN 6921) - 8.8 BZP Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £1.52 £1.82
100 - 999 £1.08 £1.30
1000 - 4999 £0.84 £1.01
5000 + £0.76 £0.91
£1.82 / each
Quantity:


Product Specification
Thread Size M16
Thread Length 50mm
Pitch 2.00mm
Material 8.8 Steel BZP
Across Flats 21mm
Head Height 14.4mm
Flange Diameter 35.0mm
Standard DIN 6921
Head Style Flanged Hex Head

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M16 x 50mm Flanged Hex Head Bolt (DIN 6921) | 8.8 Steel BZP

This M16 x 50mm DIN 6921 flanged hex head bolt is a reliable choice for securing brackets, rails and fittings in building service installations. The 8.8 Steel BZP body, 2mm pitch and 35mm flange diameter make it suitable for machinery, construction brackets and general steelwork.

Its broad under-head flange helps distribute pressure and can reduce assembly time where a loose washer is not required by the design. With 2mm pitch and 21mm across flats, this bolt is suited to buyers who need clear technical matching for procurement or maintenance work.

Common Applications

  • Construction Fittings: securing brackets, rails and fittings in building service installations.
  • Assembly Lines: keeping fastening work efficient with standard hex tooling.
  • Bracket Fixing: offers a practical alternative to separate bolt and washer combinations.
  • Equipment Repairs: matching existing flange bolt dimensions during replacement.

M16 x 50mm Flanged Hex Head Bolt Dimensions

  • Thread Size: M16
  • Thread Length: 50mm
  • Pitch: 2mm
  • Across Flats: 21mm
  • Head Height: 14.4mm
  • Flange Diameter: 35mm
  • Standard: DIN 6921
  • Head Style: Flanged Hex Head
  • Material: 8.8 Steel BZP

Specification Notes

Select the material grade to suit the environment; A4 stainless is better for harsher exposure while BZP steel is best kept to dry or sheltered use. The flange helps spread pressure but the correct mating component is still important for safe installation.

Related Fasteners

Most commonly used in conjunction with Washers and Nuts, these products help hold fasteners in place and join two or more parts together. We also offer Socket Head Screws

For a standard non-flanged head, view our Hex Head Bolts DIN 931. For a fully threaded hex option, view our Hex Set Screws DIN 933.

View our full range of Flanged Hex Head Bolts DIN 6921.

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