Sapphire Bar Hole Ringstone – MT5001
Specifications
| Model | MT5001 |
| Inside Diameter | 0.1778 - 0.1905 |
| Outside Diameter | 1.49 - 1.50 |
| Length | 0.38 - 0.42 |
| Type | Sapphire |
| Custom options are available. | |
Description
Bar Hole Ringstones are flat on both sides with a straight hole through the center of the part. The ID is straight and thus restricts the lateral movement of the shaft where the area of contact tends to increase the friction.