| Total qty | Discount | Per unit | You save |
|---|---|---|---|
| 1 | — | — | |
| 2 – 3 | 5% off | ||
| 4 – 11 | 7% off | ||
| 12 + | 10% off |
Pack Size Options
Otto Frei Swiss Twist Drills are manufactured from tungsten vanadium steel and machine cut to extremely precise tolerances. A longtime favorite among professional jewelers, these drills offer exceptional performance and value—many jewelers prefer them over more expensive alternatives. All sizes are mounted on 3/32" (2.35mm) shanks for quick, easy drill changes in standard flex-shaft and drill press setups.
| Material | Tungsten vanadium steel |
|---|---|
| Shank Size | 3/32" (2.35mm) |
| Size Range | 0.50mm – 2.30mm |
| Pack Quantity | 6 per pack |
| Origin | Switzerland (manufactured by Dentsply Maillefer) |
| Part # | Drill Size |
|---|---|
| 128.584 | 0.50mm |
| 128.585 | 0.60mm |
| 128.586 | 0.70mm |
| 128.587 | 0.80mm |
| 128.588 | 0.90mm |
| 128.589 | 1.00mm |
| 128.590 | 1.20mm |
| 128.591 | 1.40mm |
| 128.592 | 1.50mm |
| 128.593 | 1.60mm |
| 128.594 | 1.80mm |
| 128.595 | 2.10mm |
| 128.596 | 2.30mm |
| 128.601 | 1.10mm |
| 128.602 | 1.30mm |
| 128.603 | 1.70mm |
| 128.604 | 1.90mm |
| 128.605 | 2.00mm |
| 128.606 | 2.20mm |
Sold in packs of 6. Otto Frei Swiss 6-pack burs and drills can be combined across sizes to achieve quantity break pricing.
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