Txomin Egileor, 43, 48960 Galdakao
Telephone +34 94 4570275
Fax +34 94 4560930

Hall map

wire 2020 hall map (Hall 17): stand E01

Fairground map

wire 2020 fairground map: Hall 17


Marta Lacha



Our range of products

Product categories

  • 04  Wire and wire products
  • 04.06  Fasteners
  • 04.06.02  Further fasteners
  •  Washers (see also 4.4.1)

Our products

Product category: Washers (see also 4.4.1)

APIDO ® washers

The are made up of several (3 or 4) static conical washers which are embedded and joined by a brass crimp which ensures that the whole is subjected.   The APIDO® are used on their own or piled up and do not loose their elasticity after being disassembled and assembled several times.

  • The APIDO® provide the solution to any problem of tightening up to compensate the wear and ensure the initial charge.
  • These washers are designed specifically for assemblies with significant forces and small overall dimensions.
  • The charges are calculated to not exceed the screws yield strength.
  • On request, they can be supplied with a coating.
  • They are used in security systems for electrical material and engine mountings.

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Product category: Washers (see also 4.4.1)

Manufacture of washers under international standards

Doistua manufactures washers under European and international standards to supply several industries that need washers compliant with high quality standards.

Our washers are highly regarded in the construction of metal structures, in the renewable energy (photovoltaic and wind) sector, safety barriers and road signs, rail infrastructure, in the electricity sector, etc. International regulations concerning washers defined by standards such as ISO, EN, DIN, NF, UNE, UNI, BS, ASTM, etc.

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Product category: Washers (see also 4.4.1)

Manufacture of standard washers

Standard washers are supplied to the distribution sector and hardware stores for consumption in generalist markets. We have washers in stock to be supplied immediately, which comply with the most common standards DIN 125, DIN 9021, NF-E Contact 25 511, etc.

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About us

Company details

DOISTUA is a company founded in 1951, located in Galdakao, near Bilbao, very close to the Port, the Airport and the European motorway network.

With many years of history exclusively dedicated to manufacturing small metal parts, mainly washers (flat, conical, turreted, ribbed, metal bowls, bevelled, assembled, etc.) is currently one of the outstanding manufacturers in the European washers market. DOISTUAs strong position and prestige in the metal fasteners sector allows it to supply all the main groups of car screw manufacturers and to be one of the leading companies in this market segment.

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