GOST 6958-78 Oversized washer

Buy ГОСТ 6958-78

DIN 9021 140HV zinc Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 140HV zinc Washer enlarged

Stal png140HV pngZinc png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість140HV
CoatingZinc
Diameter, mm3, 4, 5, 6, 7, 8..
Packaging, pcs.500, 200, 1000..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм9, 12, 15, 18, 22..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 A2 Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 A2 Washer enlarged

Stainless steel A2 png
Assortment
Delivery by Post across Ukraine svg
Fastening groupStainless steel..
StandardDIN 9021
MaterialStainless steel..
Diameter, mm2, 2.5, 3, 3.5..
Packaging, pcs.500, 200, 1000..
Field of applicationFood Industry
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм8, 9, 11, 12, 15..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 polyamide Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 polyamide Washer enlarged

Poliamid png
Assortment
Delivery by Post across Ukraine svg
Fastening groupPolyamide..
StandardDIN 9021
MaterialPoliamid
Diameter, mm3, 4, 5, 6, 8, 10..
Packaging, pcs.500, 200, 1000..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм9, 12, 15, 18, 24..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 200HV zinc Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 200HV zinc Washer enlarged

Stal png200HV pngZinc png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість200HV
CoatingZinc
Diameter, mm3, 4, 5, 6, 7, 8..
Packaging, pcs.500, 200, 1000..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм9, 12, 15, 18, 22..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 brass Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 brass Washer enlarged

Brass png
Assortment
Delivery by Post across Ukraine svg
Fastening groupBrass fastening
StandardDIN 9021
MaterialBrass
Diameter, mm3, 4, 5, 6, 8, 10..
Packaging, pcs.1000, 100
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм9, 12, 15, 18, 24..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 A4 Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 A4 Washer enlarged

Stainless steel A4 png
Assortment
Delivery by Post across Ukraine svg
Fastening groupStainless steel..
StandardDIN 9021
MaterialStainless steel..
Diameter, mm2, 2.5, 3, 3.5..
Packaging, pcs.500, 200, 1000..
Field of applicationFood Industry
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм8, 9, 11, 12, 15..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 140HV Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 140HV Washer enlarged

Stal png140HV pngUncovered png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість140HV
CoatingUncovered
Diameter, mm2.5, 3, 4, 5, 6..
Packaging, pcs.500
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм8, 9, 12, 15, 18..
Товщина, мм0.8, 1, 1.2, 1.6..
DIN 9021 140HV hot zinc Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 140HV hot zinc Washer enlarged

Stal png140HV pngHot zink png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість140HV
CoatingHot zink
Diameter, mm6, 8, 10, 12, 16..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
DIN 9021 200HV zinc plated Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 200HV zinc plated Washer enlarged

Stal png200HV pngFlake zink png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість200HV
CoatingFlake zink
Diameter, mm6, 8, 10, 12, 14..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм18, 24, 30, 37..
Товщина, мм2, 2.5, 3, 4, 5..
DIN 9021 200HV zinc plated black Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 200HV zinc plated black Washer enlarged

Stal png200HV pngFlake black zink png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
Твердість200HV
CoatingFlake..
Diameter, mm6, 8, 10, 12
TypeFlat
AnalogГОСТ 6958-78, ISO..
Popular name
Зовнішній діаметр, мм18, 24, 30, 37
Товщина, мм1.6, 2, 2.5, 3
DIN 9021 Washer enlarged - Інтернет-магазин Dinmark

DIN 9021 Washer enlarged

Stal pngDelta-MKS png
Assortment
Delivery by Post across Ukraine svg
Fastening groupHigh-strength..
StandardDIN 9021
MaterialStal
CoatingDelta-MKS
Diameter, mm6, 8, 10, 12, 14..
Packaging, pcs.500, 200..
TypeFlat
AnalogГОСТ 6958-78, ISO..
Зовнішній діаметр, мм18, 24, 30, 37..
Товщина, мм1.6, 2, 2.5, 3..

Correspondence table ГОСТ 6958-78

Overview

Specifications

Fastening groupHigh-strength fastening
StandardDIN 9021
MaterialStal
Твердість140HV
CoatingZinc
Diameter, mm2, 2.5, 3, 3.5, 4, 5, 6, 7, 8, 10, 12, 14, 16, 18, 20, 24, 27, 30, 36
Packaging, pcs. 25, 50, 100, 200, 250, 500, 1000, 5000, 10000
TypeFlat
AnalogГОСТ 6958-78, ISO 7093-1, ISO 7093-2
Popular name
Зовнішній діаметр, мм8, 9, 11, 12, 15, 18, 22, 24, 30, 37, 44, 50, 56, 60, 72, 84, 92, 110
Товщина, мм0.8, 1, 1.2, 1.6, 2, 2.5, 3, 4, 5, 6, 8
Field of applicationFood Industry

  The GOST 6958-78 standard describes a flat standard body washer, which is called an enlarged washer. The DIN 9021 washer is designed to reduce the deformation of the materials to be joined. They are also often used to increase the support part of the screw and increase the strength of the formed connection.

Fastening group GOST 6958-78


     The fastener group to which GOST 6958-78 belongs directly depends on the material of its manufacture:

  • If the washer is made of steel with a strength class above 140HV, it belongs to high-strength fasteners.
  • If made of stainless steel - stainless steel fasteners
  • If made of brass - brass fastener
  • And of course, polyamide - polyamide fasteners


Materials for the manufacture of washers GOST 6958-78


     The materials used to manufacture a washer according to GOST 6958-78 are very diverse:

  • Steel, which can optionally be coated with zinc, hot dip galvanized zinc and plate zinc, as well as Delta-MKS.
  • Stainless steel, steel grades A2 and A4. This material does not require any additional treatments
  • Brass. This material does not require any additional treatment 
  • Polyamide. This material does not require any additional treatments

Areas of application

 
     It is best to use GOST 6958-78 with materials characterized as: thin-walled, soft, brittle. When working with these materials, it is important to distribute the torsional load over a larger area than that of the bolt or nut head. After all, thin-sheeted materials can be spun even when screwed in by hand, and will be pushed through and thus deformed. 
     With soft materials, the situation is the same: if the load on the material is not properly distributed, it will be deformed.
     Brittle materials include plastic, which will crack if used improperly.
     Read more about sizing in GOST 6958-78 pdf.
     The scope of application also directly depends on the material of manufacture:

  • Galvanized steel is a good corrosion protection if the fasteners are to be used in an aggressive environment.
  • Brass is used if the system is subjected to frequent dynamic, vibration loads.
  • Stainless steel allows the fasteners to be used at significant temperature changes and in aggressive and humid environments.
  • Polyamide hardware withstands mechanical shocks, does not crack or break at the permissible load factor.

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