ULTRA BORE PRENTICE BIT
- 1/2" Shank - Silver and Deming Drill
- Ultra Bor™ Super Premium
- 3 Flats on Shank
- Special Hi-Molybdenum tool steel.
- 135° split point for fast penetration and accurate starting without center punch.
- Sizes larger than 3/4" diameter have 118° split point.
- Precision ground point, flute, body, clearance, and drill diameter for the ultimate in accuracy and performance.
- Body and clearance are gold surface treated for maximum lubricity.
- Space age nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness.
- Recommended for use in work hardening grades of stainless steel and other hard metal drilling applications.
| VD29560 | 17/32" |
| VD29580 | 9/16" |
| VD29600 | 19/32" |
| VD29620 | 5/8" |
| VD29640 | 21/32" |
| VD29660 | 11/16" |
| VD29680 | 23/32" |
| VD29700 | 3/4" |
| VD29720 | 25/32" |
| VD29740 | 13/16" |
| VD29760 | 27/32" |
| VD29780 | 7/8" |
| VD29800 | 29/32" |
| VD29820 | 15/16" |
| VD29840 | 31/32" |
| VD29860 | 1" |
| VD29880 | 1-1/16" |
| VD29900 | 1-1/8" |
| VD29920 | 1-3/16" |
| VD29940 | 1-1/4" |
| VD29950 | 1-5/16" |
| VD29960 | 1-3/8" |
| VD29970 | 1-7/16" |
| VD29980 | 1-1/2" |
All descriptions and specifications subject to change without notice. Items may not be exactly as illustrated.