Chicago-Latrobe
Chicago-Latrobe 44946 B Cobalt 135° Jobber Drill Bit
Cobalt jobber drill bit with 135-degree split point for hard materials, TiAlN coated, .2380 inch diameter
- TypeDrill Bits
- MaterialHAWA
- Cobalt construction withstands high heat drilling
- 135-degree split point starts accurately without wandering
- TiAlN coating extends bit life in tough materials
- Jobber length design handles general purpose drilling tasks
Chicago-Latrobe 44946 B Cobalt Jobber Drill Bit
This Chicago-Latrobe 44946 B drill bit is a cobalt jobber-length tool built for drilling metal. Its 135-degree split point reduces walking and starts holes cleanly. The TiAlN coating adds wear resistance for longer life in tough materials.
Practical limits of cobalt jobber drill bits
Cobalt jobber bits handle high heat but can chip if the workpiece moves or feed pressure spikes. They are not suited for deep holes that exceed their flute length or for materials needing coolant-through delivery. Buyers who need extended reach or internal cooling should select a different bit style.
Highlights
- Cobalt construction withstands high heat drilling
- 135-degree split point starts accurately without wandering
- TiAlN coating extends bit life in tough materials
- Jobber length design handles general purpose drilling tasks
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
Should I pick the 135-degree split-point version or a different point angle for stainless steel?
The 135-degree split point on this cobalt bit reduces walking and cuts harder alloys like stainless without a centre punch.
What does the .2380 decimal size mean when I chuck it in my drill press?
It is the exact diameter in inches, so the bit fits a standard 1/4-inch chuck and drills a precise .2380 hole.
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