Cobalt Drill Bit Sets
Cobalt drill bits offer the best heat resistance for drilling in extremely hard and abrasive materials including stainless steel, titanium and cast iron.
- Bit sizes smaller than 1/8″ have 118-degree standard point
- The 135-degree split point ensures a fast start with no walking or skating
| Item# | Contents |
|---|---|
| 12638 | 15 pc. set in metal index includes bit sizes 1/16" through 1/2" in 1/32" increments |
| 12645 | 29 pc. set in metal index includes bit sizes 1/16" through 1/2" in 1/64" increments |
| 12685 | 7 pc. set in plastic case includes bit sizes 1/16" through 1/4" in 1/32" increments |
| 12686 | 10 pc. set in plastic case includes bit sizes 1/16" through 5/32" in 1/32" increments plus 3/16", 7/32" and 1/4" bits |
| 12687 | 13 pc. set in plastic case includes bit sizes 1/16" through 1/4" in 1/64" increments |