GOST 6402-70 SPRING WASHER | Zavod mir
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Washers according to GOST 6402-70 – a split round washer, the ends of which are located in different planes.

SKU: ГОСТ 6402-70 Categories: , Tag:

Description

Washers in accordance with GOST 6402-70 – split round washer, the ends of which are located in different planes, which serves to prevent self-unscrewing of fasteners during its elastic deformation under load.

Description

GOST 6402-70 SPRING WASHER

Washers in accordance with GOST 6402-70 – split round washer, the ends of which are located in different planes, which serves to prevent self-unscrewing of fasteners during its elastic deformation under load.

Description of product design features

Spring washers must be made in 4 types for bolts, screws and studs with a thread diameter of 2 to 48 mm:

  • Н – normal with square cross section;
  • T – heavy with a square cross section;
  • FROM – extra heavy with square cross section;
  • L – light with a rectangular cross section.

Production material: steel grades 65G, 70, 3X13 and bronze BrKMts3-1.

Spring washers coating:

  • cadmium;
  • zinc;
  • oxide chemical;
  • chemical passivation;
  • anodic oxide;
  • nickel;
  • silver;
  • copper;
  • phosphate

performed in our own electroplating shop.

Examples of symbols for a spring washer version 1 for a bolt, screw, stud with a diameter of 8 mm:

normal steel grade 3X13 without coating:

Washer 8 3X13 GOST 6402-70

light steel grade 65G with a cadmium coating 9 microns thick chromated:

Washer 8L 65G 029 GOST 6402-70

the same, version 2, with sizes enclosed in brackets:

Washer 2U 8L 65G 029 GOST 6402-70

Product applications

Washers have found their wide application in the automotive, construction, engineering and industrial sectors, as well as in many other areas. The spring washer is an indispensable part of many assemblies and mechanisms, especially if the latter experience shock and vibration loads that contribute to the untwisting of threaded connections.

 

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