Please note that the items with a 3 day delivery are not stock items and lead times may vary due to on-going logistics issues around the UK.
We can confirm the lead times of products by calling our sales team on 0800 009 6949, using live chat when available or emailing sales@fixingsmegastore.co.uk.


M20 Form 'G' Flat Washers Zinc Plated


M20  Form  'G'  Flat  Washers  Zinc  Plated
  • Form G flat washers.
  • They are zinc plated for resistance to corrosion, and conform to BS4320 standards.
  • Washers provide a smooth surface for the nut or bolt to bear on, making it less likely to loosen as a result of an uneven fastening surface.
  • The main purpose of a washer is to distribute the load under a bolt head or the nut face.

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When out of stock, any availability times are estimates and dependent upon supplier stock. Items without a lead time have no confirmed status and may take up to 12 weeks to arrive.
Image Product + Brand Price Availability Qty

M20 Form 'G' Flat Washers Zinc Plated (Pack of 5)


Product Code: FM20-FW-ZFG5

TIK Products

£3.70
Ex VAT: £3.08
650 Packs
In Stock

M20 Form 'G' Flat Washers Zinc Plated (Pack of 50)


Product Code: FM20-FW-ZFG

Fixings Megastore

£20.92
Ex VAT: £17.43
65 Packs
In Stock

M20 Form 'G' Flat Washers Zinc Plated (Pack of 50) [BS 4320G]


Product Code: HX20-FW-ZFG

HX Fixings

£15.22
Ex VAT: £12.68
3 Days

M20 Form 'G' Flat Washers Zinc Plated (Pack of 180) [BS 4320G]


Product Code: HX20-FW-ZFGB

HX Fixings

£46.28
Ex VAT: £38.57
3 Days
  • Form G flat washers.
  • They are zinc plated for resistance to corrosion, and conform to BS4320 standards.
  • Washers provide a smooth surface for the nut or bolt to bear on, making it less likely to loosen as a result of an uneven fastening surface.
  • The main purpose of a washer is to distribute the load under a bolt head or the nut face.

Zinc coatings prevent oxidation of the protected metal to create a longer lasting finish. It does this by forming a barrier and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not trigger a breakdown of the substrates surface integrity as it is formed. The zinc oxide, if left intact, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminum and stainless steels by their oxide layers.

Fastener Specifications
Washer Type Flat Form G
Internal Diameter 21mm
External Diameter 60mm
Thickness 5mm
Finish Zinc Plated
Washer Specification BS4320G