This assortment of 15 genuine Busch Fig 77 tungsten vanadium steel twist drills includes multiple drills of the most popular sizes that jewelers use, spanning 0.7mm to 1.2mm. Busch Fig 77 twist drills are made to ultra-high precision tolerances and mounted on 3/32" (2.35mm) shanks for easy, secure drill changes in standard flex-shaft handpieces and drill presses. This kit is part of the GIA Graduate Jeweler tool kit.
Features
- Genuine Busch Fig 77 twist drills in tungsten vanadium steel
- Ultra-high precision tolerances for accurate, clean drilling
- Mounted on 3/32" (2.35mm) shanks for easy drill changes
- Assortment of 15 drills covering the most popular jeweler sizes
- Sizes range from 0.7mm to 1.2mm
- Part of the GIA Graduate Jeweler tool kit
- Stored in a round plastic bur box (part #119.248)
Specifications
| Drill Type |
Fig 77 Twist Drill |
| Material |
Tungsten vanadium steel |
| Shank Size |
3/32" (2.35mm) |
| Size Range |
0.7mm–1.2mm |
| Kit Quantity |
15 drills |
| Storage |
Round plastic bur box (part #119.248) |
What's Included
- 15 Busch Fig 77 tungsten vanadium twist drills (0.7mm–1.2mm)
- Round plastic bur box (part #119.248)
Notes
The individual drill sizes included in this kit are listed below for reference. Multiple drills of the most popular sizes are included across the 0.7mm–1.2mm range.
| Part # |
Size |
| B128.586 |
0.7mm |
| B128.587 |
0.8mm |
| B128.589 |
1.0mm |
| B128.590 |
1.2mm |