

Each drill has a double end and is ground with a standard 60 degree angle.Center and spotting drills are traditionally used to make a conical hole for alathe center in orderto make a starting point for a standard drill, designed toprevent the drill from walking.
Model Number
Model | Code | Drill Dia. | Shank Dia. | Length |
BS2 | 105342 | 5/64" | 3/16" | 48 |
BS3 | 105343 | 7/64" | 1/4" | 51 |
BS4 | 105344 | 1/8" | 5/16" | 54 |
BS5 | 105345 | 3/16" | 7/16" | 70 |
BS6 | 105346 | 7/32" | 1/2" | 76 |