玻璃材质小孔可用于盖玻片，相位漂移，显微镜，非接触式隔离，透明传输等应用
| Specifications | |
| Diameter | 9.5mm +0.025 / -0.050mm |
| (0.374in +0.00098 / -0.00197in) | |
| Thickness | 0.025-0.050mm |
| (0.00051-0.00197in) | |
| Centering | ± 0.25mm |
| (± 0.00984in) | |
| Circularity | < 5µ |
| (< 0.000197in) | |
| Material | Borosilicate |
| Aperture Tolerances | |
| Diameter | Tolerance +/- |
| 5 - 9µ | +/- 2µ |
| 10 - 19µ | 20% |
| 20 - 50µ | 15% |
| 51 - 300µ | 10% |
| 301µ + | 7.50% |