The 304 Stainless Steel GB893.1 C-Type External Retaining Ring is a specific type of fastener used to secure components on a shaft or in a bore, designed to fit into a groove on a shaft, conforming to the GB893.1 Chinese standard, and used to precisely position and secure components by preventing their axial movement. This C-Type External Retaining Ring is a corrosion-resistant, durable component that plays an essential role in holding parts securely in place, particularly in industrial, automotive, and mechanical applications.
Parameter Information
| Brand name | Elastic retainer for hole | 
| Standard | GB893.1 | 
| Wood quality | 304 stainless steel | 
| Standard type | National standard | 
| Surface treatment | Stainless steel washing | 
| Packaging | Packaging bag + carton packaging | 
Specification
| Specification -Φ | Outside diameter -D | Thickness -H | Inner hole -d | angle-a | 
| Φ8 | 8.64 | 0.56 | 1 | 45° | 
| Φ9 | 9.8 | 0.58 | ||
| Φ10 | 11 | 0.74 | 1.5 | |
| Φ11 | 12 | 0.8 | ||
| Φ12 | 13 | 0.9 | ||
| Φ13 | 14.2 | 0.94 | 1.7 | |
| Φ14 | 15 | 1 | ||
| Φ15 | 16.1 | 1 | ||
| Φ16 | 17.4 | 1 | ||
| Φ17 | 18.4 | 1 | ||
| Φ18 | 19.4 | 1 | ||
| Φ19 | 20.6 | 1 | 2 | |
| Φ20 | 21.36 | 1 | ||
| Φ22 | 23.5 | 1 | ||
| Φ24 | 25.9 | 1.2 | ||
| Φ25 | 26.7 | 1.2 | ||
| Φ26 | 27.64 | 1.2 | ||
| Φ28 | 30.2 | 1.2 | ||
| Φ30 | 32. 7 | 1.2 | ||
| Φ32 | 34.3 | 1.2 | 2.5 | |
| Φ34 | 36.45 | 1.5 | ||
| Φ35 | 37.35 | 1.5 | ||
| Φ36 | 38.9 | 1.5 | ||
| Φ37 | 39.8 | 1.5 | ||
| Φ38 | 41.65 | 1.5 | ||
| Φ39 | 42.6 | 1.5 | ||
| Φ40 | 43.8 | 1.5 | ||
| Φ42 | 45.6 | 1.5 | 3 | |
| Φ45 | 48.9 | 1.5 | ||
| Φ47 | 51.5 | 1.5 | ||
| Φ48 | 51.8 | 1.5 | ||
| Φ50 | 53.6 | 2 | ||
| Φ52 | 55.9 | 2 | ||
| Φ55 | 59.1 | 2 | ||
| Φ58 | 62.3 | 2 | 36° | |
| Φ60 | 64.5 | 2 | ||
| Φ62 | 65.9 | 2 | ||
| Φ65 | 69.3 | 2.5 | ||
| Φ68 | 72.4 | 2.5 | 





 
                             
                             
                            