Busch Fig. 446 Shallow-Hart 70 Degree Burs are precision-ground cutting tools engineered for professional jewelers who demand consistent, reliable performance. Available in 14 sizes ranging from 1.00mm to 3.70mm, these burs feature a shallow hart profile at a 70-degree angle — ideal for seat cutting and setting work requiring a controlled, shallow geometry. Crafted from tungsten vanadium steel to ultra-high precision tolerances, Busch burs are recognized as a benchmark standard in the jewelry trade.
Features
- Shallow-Hart (hart) profile at 70-degree cutting angle
- Tungsten vanadium steel construction for durability and precision
- Manufactured to ultra-high precision tolerances
- 14 sizes available from 1.00mm to 3.70mm
- Sold in multiples of six per size
Specifications
| Figure |
Fig. 446 |
| Profile |
Shallow-Hart |
| Angle |
70 degrees |
| Material |
Tungsten vanadium steel |
| Size Range |
1.00mm – 3.70mm |
| Sold As |
Multiples of 6 |
Available Options
| Part # |
Bur Size |
| B118.600 |
1.00mm |
| B118.601 |
1.20mm |
| B118.602 |
1.40mm |
| B118.603 |
1.60mm |
| B118.604 |
1.80mm |
| B118.605 |
2.10mm |
| B118.606 |
2.30mm |
| B118.607 |
2.50mm |
| B118.608 |
2.70mm |
| B118.609 |
2.90mm |
| B118.610 |
3.10mm |
| B118.610.5 |
3.30mm |
| B118.611 |
3.50mm |
| B118.612 |
3.70mm |
Notes
All sizes in this range are sold in multiples of six only. Quantity pricing may apply — see the Burs Bulk Discount category for details.