DIN 6325 is a German standard named parallel cylindrical dowel pins with chamfered corners at both ends. The material is austenitic stainless steel or unhardened steel with a hardness of HRC 58-62. Surface treatment includes blackening, galvanizing, phosphating, etc. Used for high-precision positioning, such as mold and template positioning, precision mechanical assembly, and fixation and positioning of shafts, gears, and couplings.
DIN 6325 Specifications
Equivalent standards: ISO 8734; CSN 022152; UNI 6364A.
Table according to ISO 8734.
| Nominal diameter (mm) | d max | d min | c |
|---|---|---|---|
| Φ1 | 1.008 | 1.002 | 0.20 |
| Φ1.5 | 1.508 | 1.502 | 0.30 |
| Φ2 | 2.008 | 2.002 | 0.35 |
| Φ2.5 | 2.508 | 2.502 | 0.40 |
| Φ3 | 3.008 | 3.002 | 0.50 |
| Φ4 | 4.012 | 4.004 | 0.63 |
| Φ5 | 5.012 | 5.004 | 0.80 |
| Φ6 | 6.012 | 6.004 | 1.20 |
| Φ8 | 8.015 | 8.006 | 1.60 |
| Φ10 | 10.015 | 10.006 | 2.00 |
| Φ12 | 12.018 | 12.007 | 2.50 |
| Φ16 | 16.018 | 16.007 | 3.00 |
| Φ20 | 20.021 | 20.008 | 3.50 |