| Document and Entity Information | May 10, 2022 |
| Details | |
| Registrant CIK | 0000019871 |
| Document Type | 8-K |
| Document Period End Date | May 10, 2022 |
| Entity Registrant Name | CHICAGO RIVET & MACHINE CO |
| Entity Incorporation, State or Country Code | IL |
| Securities Act File Number | 000-01227 |
| Entity Tax Identification Number | 36-0904920 |
| Entity Address, Address Line One | 901 Frontenac Road |
| Entity Address, City or Town | Naperville |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60563 |
| City Area Code | 630 |
| Local Phone Number | 357-8500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $1.00 per share |
| Trading Symbol | CVR |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
