Busch Fig. 411C Concave Cone Cup Burs are a trusted choice among professional jewelers and metalsmiths who demand precision and consistency. Crafted from tungsten vanadium steel and manufactured to ultra-high precision tolerances, these burs deliver reliable, repeatable performance across a wide range of setting and finishing applications. Available in eight sizes spanning 1.00mm–2.30mm, they offer the versatility needed for detailed bench work. Sold in multiples of 6.
Features
- Concave cone cup bur profile ideal for precision seat-cutting and detail work
- Manufactured from tungsten vanadium steel for durability and edge retention
- Produced to ultra-high precision tolerances for consistent, repeatable results
- Available in eight sizes from 1.00mm to 2.30mm
- Sold in packs of 6—stocked in bulk for professional bench use
Specifications
| Figure |
411C |
| Bur Type |
Concave Cone Cup |
| Material |
Tungsten Vanadium Steel |
| Size Range |
1.00mm–2.30mm |
| Sold As |
Multiples of 6 |
Available Options
| Part # |
Bur Size |
| B118.413 |
1.00mm |
| B118.414 |
1.20mm |
| B118.415 |
1.40mm |
| B118.416 |
1.50mm |
| B118.417 |
1.60mm |
| B118.418 |
1.80mm |
| B118.419 |
2.10mm |
| B118.420 |
2.30mm |