GOST 3033-79 Swing bolts of accuracy class B and CBolt GOST 3033-79 – bolts with a thread with a diameter of 5 to 36 mm. The standard does not apply to swing bolts of machine tools. Swing bolts must be manufactured in the following versions: 1 – round head bolts; 2 – bolts with a round head and a hole for a cotter pin; 3 – bolts with a fork. Bolts can be manufactured in accuracy classes B and C.
Description of the product design and its features
GOST 3033-79 – has three types of execution ;
the first type – Bolt with a round head.
the second type – Bolt with a round head and a hole for a cotter pin.
the third type – Bolt with a fork.
The bolt structure consists of a ring -head and cylindrical threaded rod. For products Bolt GOST 3033-79 there are requirements for the accuracy class, the standard provides for two classes;
1.) accuracy class B.
2.) accuracy class C.
For use in an aggressive environment swing bolt GOST 3033 , various types of coatings are used – zinc, chromium, nickel applied in various ways.
GOST 3033 79 you can buy folding bolts – by leaving a request in the section (Place an order) < / p>
An example of a symbol for a swing bolt of accuracy class B, version 1, thread diameter d = 6 mm, with a tolerance field of 6 g, length L = 32 mm, strength class 3.6, made of calm steel, with a chromated zinc coating 6 microns thick:
Explanation of designation: Bolt B.M6-6gх32.36.C. 016 GOST 3033-79
The same, accuracy class C, version 2, thread diameter d = 10 mm, with a tolerance field of 8 g, d line L = 60 mm, made of material of group 32, uncoated:
Explanation of designation: Bolt С.2М10-8gх60.32 GOST 3033-79
Applications of the product < / strong>
These bolts are used in many industries. Increased demand for products, in particular, is observed in the aircraft and mechanical engineering industries, as well as in construction, energy and metalworking, where they are used for reliable fastening of parts and metal structures.
ANALOGUES p >
GOST 3033-79 analogue DIN 444
Bolt DIN 444 – High-strength swing bolt with an eyelet (with a loop), incomplete metric thread from М5 to М48, length from 30 to 300 mm. Bolts DIN 444 are used for fastening and connecting parts. has strength class 4.8, 5.8, 8.8, 10.9, 12.9