HAIRPIN

 

The stud is a metal rod with a thread at both ends. According to the method of formation of compounds , there are two types of studs:

  • for screwing into the threaded hole of the housing part;
  • for parts with smooth through holes;

In the first case, the stud must be tightened into the parts with an emphasis in the thread run. In the second case, the connection of the parts is carried out by means of nuts.

Studs of general use for connecting parts with threaded and smooth holes are produced of normal and increased accuracy classes with a diameter of metric thread from 2 to 48. mm. The thread pitch is large, and for diameters over 8 mm – large and small. Studs for parts with smooth holes have threaded ends of the same length

 
Spilka old one 1
Spilka old two 1
5
11
19

 

WE PRODUCE

  • GOST 22032-77, GOST 9066-75 (for flanged connections)*
  • STEEL 3, 10, 20, 35, 45, 40X, 20X13, 09G2S, 14X17N2, 12X18N10T, 12X15G9ND
  • STRENGTH CLASS 3.6, 4.6, 4.8, 5.6, 5.8, 6.6, 6.8, 8.8, 10.9
  • DIAMETERS М20, М22, М24, М27, М30, М33, М36, М42, М48, М56, М64, М72, М110, М120
  • LENGTHS from 100 mm
  • THE PRICE  is negotiable**

* Manufacture of hairpins according to other GOST standards and drawings 
** The cost is calculated individually for each application

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