Columbian 7Pce Titanium Nitride Coated Imperial Forstner Bit Set
The 7 piece Forstner bit set includes sizes 1/4, 3/8, 1/2, 3/4, 7/8 and 1 inch in a portable, practical, compact presentation case. The forstner bits are designed for a variety of applications including:
- Flat Bottomed Hole
- Counter-bored Screws
- Partial Arcs, End Grain and Cross Grain
- Pocket Holes
- Decorative Edge
Features
- Titanium Nitride Coating allows bits to stay cooler while drilling at higher speeds with prolonged effective work life.
- Precision machined steel with extra sharp cutting edges for faster boring applications
- All shafts 3/8″ (9.5mm) suitable for hand power tools and bench mounted drill presses – very safe to use
- Practical wooden case keeps bits conveniently organised.
COMPARE THESE RPM’s TO ANY OTHER FORSTNER BIT
TITANIUM FORSTNER BIT – MAXIMUM RPM’s
| Size | Soft Wood | Hard Wood |
| 1/4″ (6.25mm) | 3000 | 1475 |
| 3/8″ (9.5mm) | 2000 | 1270 |
| 1/2″ (12.7mm) | 1770 | 1180 |
| 5/8″ (16mm) | 1675 | 1140 |
| 3/4″ (19mm) | 1600 | 1100 |
| 7/8″ (22.2mm) | 1540 | 1060 |
| 1″ (25.4mm) | 1480 | 1020 |
Set Includes
- 1/4″ (6.25mm) Forstner Bit
- 3/8″ (9.5mm) Forstner Bit
- 1/2″ (12.7mm) Forstner Bit
- 5/8″ (16mm) Forstner Bit
- 3/4″ (19mm) Forstner Bit
- 7/8″ (22.2mm) Forstner Bit
- 1″ (25.4mm) Forstner Bit
- Wooden Case
