Busch Fig. 156C (European Fig. 414) 90° hart burs are among the most widely used bearing and seat cutting burs in professional jewelry work. This comprehensive kit includes one bur in each size from 0.70 mm through 4.00 mm, providing precise, uniform cutting performance across a broad range of stone-setting applications.
Features
- Complete size range from 0.70 mm to 4.00 mm
- 90° hart (bearing cutter) profile for accurate seat cutting
- Made from tungsten vanadium steel
- Manufactured to ultra-high precision tolerances
- Uniform cutting action with smooth, controlled performance
- Sizes correspond to European Fig. 414 / USA Fig. 156C standards
Specifications
| Bur Style |
Fig. 156C (European Fig. 414) 90° Hart |
| Size Range |
0.70–4.00 mm |
| Number of Pieces |
31 |
| Material |
Tungsten vanadium steel |
| Shank Diameter |
3/32 in (2.35 mm) |
| Manufactured In |
Germany |
| Brand |
Busch |
What’s Included
| Part # |
Size |
| B118.498 |
0.70 mm |
| B118.499 |
0.80 mm |
| B118.500 |
0.90 mm |
| B118.521 |
0.97 mm |
| B118.501 |
1.00 mm |
| B118.522 |
1.10 mm |
| B118.502 |
1.20 mm |
| B118.523 |
1.30 mm |
| B118.503 |
1.40 mm |
| B118.524 |
1.42 mm |
| B118.504 |
1.50 mm |
| B118.525 |
1.58 mm |
| B118.505 |
1.60 mm |
| B118.526 |
1.70 mm |
| B118.506 |
1.80 mm |
| B118.506.5 |
1.90 mm |
| B118.527 |
2.00 mm |
| B118.507 |
2.10 mm |
| B118.528 |
2.20 mm |
| B118.508 |
2.30 mm |
| B118.529 |
2.40 mm |
| B118.509 |
2.50 mm |
| B118.530 |
2.60 mm |
| B118.510 |
2.70 mm |
| B118.531 |
2.80 mm |
| B118.511 |
2.90 mm |
| B118.512 |
3.10 mm |
| B118.513 |
3.30 mm |
| B118.514 |
3.50 mm |
| B118.515 |
3.70 mm |
| B118.516 |
4.00 mm |
Notes
Image shown is for illustration purposes only and may depict carbide burs with yellow rings on the shanks. This kit contains tungsten vanadium steel burs and will not have yellow rings on the shanks.