Busch Fig. 1AU carbide round burs are designed for precision enlargement of drilled holes during pavé setting. Used after a 4205S carbide twist drill, these burs create a secure seat for the rondiste of the stone, delivering clean, controlled cutting even in the toughest metals.
Features
- Fig. 1AU round bur for enlarging and shaping drilled seats
- Ideal for second-step pavé setting applications
- Solid carbide construction for exceptional longevity
- Suitable for platinum, titanium, steel, and hard alloys
- Powerful blade geometry for efficient cutting
- 3/32" shank fits standard flex shaft and micromotor handpieces
- Recommended operating speed: 2,000–10,000 RPM
- Sold individually
Specifications
| Bur Type |
Fig. 1AU Round |
| Material |
Carbide |
| Shank Diameter |
3/32 in. (2.35 mm) |
| Size Range |
0.30 mm (0.012 in.) – 3.50 mm (0.138 in.) |
| Recommended Speed |
2,000–10,000 RPM |
| Manufactured In |
Germany |
| Brand |
Busch |
Available Options
| Part # |
Bur Size |
| BAU118.173 |
0.30 mm (0.012 in.) |
| BAU118.174 |
0.40 mm (0.016 in.) |
| BAU118.175 |
0.50 mm (0.020 in.) |
| BAU118.176 |
0.60 mm (0.024 in.) |
| BAU118.177 |
0.70 mm (0.028 in.) |
| BAU118.178 |
0.80 mm (0.031 in.) |
| BAU118.179 |
0.90 mm (0.035 in.) |
| BAU118.180 |
1.00 mm (0.039 in.) |
| BAU118.181 |
1.10 mm (0.043 in.) |
| BAU118.182 |
1.20 mm (0.047 in.) |
| BAU118.183 |
1.30 mm (0.051 in.) |
| BAU118.184 |
1.40 mm (0.055 in.) |
| BAU118.185 |
1.50 mm (0.059 in.) |
| BAU118.186 |
1.60 mm (0.063 in.) |
| BAU118.187 |
1.70 mm (0.067 in.) |
| BAU118.188 |
1.80 mm (0.071 in.) |
| BAU118.189 |
1.90 mm (0.075 in.) |
| BAU118.190 |
2.00 mm (0.079 in.) |
| BAU118.191 |
2.10 mm (0.083 in.) |
| BAU118.192 |
2.20 mm (0.087 in.) |
| BAU118.193 |
2.30 mm (0.091 in.) |
| BAU118.194 |
2.40 mm (0.094 in.) |
| BAU118.195 |
2.50 mm (0.098 in.) |
| BAU118.196 |
2.60 mm (0.102 in.) |
| BAU118.197 |
2.70 mm (0.106 in.) |
| BAU118.198 |
2.80 mm (0.110 in.) |
| BAU118.199 |
2.90 mm (0.114 in.) |
| BAU118.200 |
3.00 mm (0.118 in.) |
| BAU118.201 |
3.10 mm (0.122 in.) |
| BAU118.205 |
3.50 mm (0.138 in.) |
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