Chicago-Latrobe
Chicago-Latrobe 47722 11/32" Cobalt TiN 135° Jobber Drill Bit
An 11/32 inch cobalt jobber drill bit with a 135 degree split point and TiN coating for precise drilling
- TypeDrill Bits
- MaterialHAWA
- Cobalt steel resists heat during heavy drilling
- TiN coating cuts friction for faster cuts
- 135° split point starts on contact without wandering
- 11/32 inch diameter matches common fractional sizes
- Jobber length gives standard reach for general work
11/32" Cobalt Jobber Drill Bit
This Chicago-Latrobe 47722 bit is built for drilling tough metals such as stainless steel and high-strength alloys. The cobalt construction resists heat and wear better than standard high-speed steel. Machinists and maintenance technicians choose it for production and repair work where tool life matters.
135° Split Point Reduces Walking
The 135-degree split point geometry starts on contact without a centre punch, lowering thrust force and improving accuracy. Jobber length suits general-purpose depths but cannot reach deep holes that require taper-length or aircraft-extension bits. The straight shank fits standard three-jaw chucks up to 11/32 inch capacity.
TiN Coating Extends Edge Life
A titanium nitride finish adds surface hardness and reduces friction, so the bit runs cooler and stays sharp longer in abrasive materials. The straw-bronze colour makes the coated bit easy to identify in a mixed tray. No coolant holes are present, so external lubrication is needed for heavy cuts.
Highlights
- Cobalt steel resists heat during heavy drilling
- TiN coating cuts friction for faster cuts
- 135° split point starts on contact without wandering
- 11/32 inch diameter matches common fractional sizes
- Jobber length gives standard reach for general work
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
Should I choose the 11/32" size or a different fractional diameter for my jobber drill needs?
The 11/32" diameter equals .3438 inches decimal equivalent; select this exact size when the hole specification matches that measurement.
What does the 135° split point mean once the bit is in my drill chuck?
The 135° split point is self-centering and reduces walking on hard materials, letting the cobalt bit start cleanly without a centre punch.
How does the jobber length and straight shank interface affect what I can drill?
The jobber length with a straight shank fits standard three-jaw chucks and provides typical flute reach for general-purpose drilling in metal.
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