GOST 397-79 Split cotter pin

Analogues ГОСТ 397-79:

Correspondence table

Buy ГОСТ 397-79

Correspondence table ГОСТ 397-79

Overview

Specifications

Fastening groupStainless steel fasteners
StandardDIN 94
MaterialStainless steel A2
Diameter, mm1, 1.2, 1.6, 2, 2.5, 3.2, 4, 5, 5.5, 6.3, 8, 10, 13, 16
Length, mm4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 18, 20, 22, 25, 28, 30, 32, 35, 36, 40, 45, 50, 56, 63, 71, 80, 90, 100, 110, 112, 120, 125, 130, 140, 150, 160, 180, 200, 210, 250
Packaging, pcs. 3, 5, 8, 12, 15, 25, 35, 40, 50, 60, 80, 100, 150, 200, 250, 300, 350, 400, 500, 600, 700, 800, 1000, 1200
Field of applicationEngineering
AnalogГОСТ 397-79, ISO 1234
CoatingZinc

 GOST 397-79 is the simplest cotter pin that fixes a part on shafts or threaded elements through drilled holes of the appropriate diameter, after installation in which the ends of the cotter pin are spread apart, fixing it.

Fastening group GOST 397-79 


     Depending on the material of manufacture, cotter pins of GOST 397-79 are divided into groups:

  • Cotter pins made of stainless steel belong to the stainless steel fastener group
  • Those made of brass belong to the brass fastener group
  • Made of copper - copper fasteners


Materials for the manufacture of cotter pins GOST 397-79 


      The cotter pins of GOST 397-79 are made of various materials: 

  • Stainless steel. Steel grades A2 and A4 allow the fasteners to be used at significant temperature drops and in aggressive and humid environments.
  • The steel is coated with zinc. Zinc (Plated) protects against corrosion if you plan to use the fasteners in aggressive environments.
  • Brass.  Brass fasteners are used if the system is subjected to frequent dynamic, vibration and cyclic loads.


Scope of use of cotter pins GOST 397-79


     Used as an independent element, and in combination with a washer or a crown nut. It is used in almost all industries.

     The cotter pin is one of the most common parts and is used in mechanical engineering, automotive, electrical engineering and instrumentation. The part belongs to the group of locking products.

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