Chicago-Latrobe
Chicago-Latrobe 46626 Jobber Drill Bit 13/32 in 135° Cobalt
A 13/32 inch cobalt jobber drill bit with a 135° split point for precision drilling in hard metals
- TypeDrill Bits
- 13/32 in diameter drills precise holes in metal
- 135° split point reduces walking for accurate starts
- Cobalt construction resists heat during heavy use
- Jobber length fits standard chucks and drills
- Straw/bronze finish identifies cobalt material at a glance
Jobber Length Cobalt Drill Bit
This Chicago-Latrobe 46626 drill bit is a jobber length tool sized at 13/32 inch with a 135 degree split point. It is made from cobalt steel with a straw bronze finish for drilling into hard metals. The fractional size equals .4063 inch decimal equivalent.
Heat Resistance and Cutting Action
Cobalt construction allows the bit to withstand higher temperatures generated when drilling tough alloys. The 135 degree split point reduces walking and starts the hole cleanly without a centre punch. No coolant holes are present so external lubrication is recommended for deep cuts.
Fractional Size for Imperial Tooling
The 13/32 inch diameter fits standard imperial drill indexes and chucks used in maintenance and automotive shops. It requires no metric conversion and works with any drill motor that accepts a straight shank jobber bit. The non-coolant design keeps the shank simple for quick changes.
Highlights
- 13/32 in diameter drills precise holes in metal
- 135° split point reduces walking for accurate starts
- Cobalt construction resists heat during heavy use
- Jobber length fits standard chucks and drills
- Straw/bronze finish identifies cobalt material at a glance
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
Questions about this item
How do I install the 46626 jobber drill bit and what step is often missed?
Chuck the 13/32 in bit securely in the drill, align the 135 degree split point with the centre mark, and start at low speed; the step many skip is clearing chips frequently to prevent the cobalt flute from binding.
What maintenance or replacement will the 46626 cobalt bit need later?
Resharpen the 135 degree split point when it dulls; cobalt holds an edge longer than high-speed steel, but once the cutting lips wear past the straw bronze surface the bit must be reground or replaced.
What limit appears first on the 46626 bit under sustained drilling?
Heat buildup at the .4063 in diameter cutting zone is the first limit; without coolant holes the cobalt bit relies on air cooling, so pause regularly to avoid annealing the tip.
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