What is a cotter pin - A fastener with a semicircular section, which is used for the reliability of bolt fastening >> parts, is produced in accordance with GOST 397-79 and TU.
Locking cotter pin helps to avoid spontaneous unscrewing of nuts >> due to shaking, vibrations during the operation of mechanisms.
For ease of installation, the cotter pin has one end larger than the other.
The protruding ends of the cotter pin are bent to the sides.

We sell cotter pins of any size, according to GOST 397-79:
| diameter/length (mm) | eighteen | twenty | 22 | 25 | 28 | 32 | 36 | 40 | 45 | fifty | 56 | 63 | 71 | 80 | 90 | one hundred | 110 |
| 3.2 | + | + | + | + | + | + | + | + | + | + | |||||||
| 4 | + | + | + | + | + | + | + | + | + | + | + | ||||||
| five | + | + | + | + | + | + | + | + | + | + | |||||||
| 6.3 | + | + | + | + | + | + | + | + | + | + | + | ||||||
| 8 | + | + | + | + | + | + | + | + | |||||||||
| 10 | + | + | + | + | + | + | + |
Call to buy fasteners US.
When selling wholesale lots of cotter pins, nuts, bolts, we make discounts.