Will fit Z5030, 30H, and most other Chinese & Taiwanese imported Drilling Machines and a few Milling Machines (This depends on all the dimensions being the same)
| Material | High Strength with Hardened Steel |
| Outer Ø | 85mm |
| Height | 20mm |
| Thickness | 1.07mm |
*Please note:
When installing the clock springs. DO NOT undo/release the wire holding the spring. Install the spring with the fixed wire directly into the spring seat, and the wire should slide right out.
