Chicago-Latrobe
Chicago-Latrobe 53142 21/32 in 118 Degree Taper Shank Drill Bit
A 21/32 inch high-speed steel drill bit with a 118 degree point angle and black oxide finish for general-purpose drilling
- TypeDrill Bits
- MaterialHAWA
- 21/32 inch diameter drills large holes cleanly
- 118-degree conventional point starts accurately on contact
- High-speed steel construction resists heat during extended use
- Black oxide finish reduces friction and prevents corrosion
- Taper shank design fits directly into machine spindles
Chicago-Latrobe 53142 Taper Shank Drill Bit
This Chicago-Latrobe 53142 taper shank drill bit measures 21/32 in and features a 118 degree conventional point. It is made from high speed steel with a black oxide finish. The tool suits general purpose drilling tasks in a workshop or industrial setting.
Replaces worn or undersized taper shank bits
Swap to this bit when an existing taper shank drill shows excessive wear or when a 21/32 in hole is required. The high speed steel construction resists heat during extended use. The jump is worth it when the current bit cannot hold tolerance or finish quality.
Check machine taper compatibility
Verify that the machine spindle accepts the taper shank style before ordering. Confirm the workpiece material is suited to high speed steel cutting. Ensure coolant or lubrication is available for the application.
Highlights
- 21/32 inch diameter drills large holes cleanly
- 118-degree conventional point starts accurately on contact
- High-speed steel construction resists heat during extended use
- Black oxide finish reduces friction and prevents corrosion
- Taper shank design fits directly into machine spindles
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
What taper-shank size does the 21/32 in drill bit need to mount in?
The bit uses a standard Morse taper shank that fits the matching Morse taper socket on the machine spindle; the 21/32 in diameter is the cutting size, not the shank size.
How is the 118-degree conventional point drill bit installed, and what step is often missed?
Insert the taper shank fully into the clean spindle socket and seat it with a firm twist; the step often missed is wiping both taper surfaces free of oil or chips before insertion.
When will the high-speed steel black-oxide bit need replacement?
Replace the bit when the 118-degree cutting lips show visible wear, chipping, or when drilling force increases noticeably; high-speed steel can be resharpened several times before full replacement.
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