Chicago-Latrobe
Chicago-Latrobe 69868 8pc Cobalt 118° Silver Deming Drill Bit Set
An 8-piece cobalt drill bit set with 118-degree points and M42 steel for reduced-shank drilling
- TypeDrill Bits
- Color/FinishBlack
- 8% cobalt M42 steel resists heat during heavy drilling
- 118-degree point angle starts cleanly without walking on metal
- 8-piece reduced-shank set fits standard 1/2-inch chucks
- Straw oxide finish reduces friction and extends bit life
8-piece cobalt drill bit set
This Chicago-Latrobe 69868 set supplies eight cobalt drill bits with a 118-degree point angle. The M42 alloy contains 8% cobalt for improved heat resistance and wear life. Bits feature a reduced shank design to fit standard chucks. The straw finish adds surface lubricity during cutting operations.
Capacity and headroom for drilling tasks
The eight-piece assortment covers a range of hole diameters for metalworking and maintenance jobs. Cobalt construction handles stainless steel and other hard alloys that wear out standard high-speed steel bits. The 118-degree point suits general-purpose drilling but is not optimised for deep-hole or high-precision work. Users needing larger diameters or specialised point geometries will require additional bits.
Highlights
- 8% cobalt M42 steel resists heat during heavy drilling
- 118-degree point angle starts cleanly without walking on metal
- 8-piece reduced-shank set fits standard 1/2-inch chucks
- Straw oxide finish reduces friction and extends bit life
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Color/Finish | Black |
Questions about this item
Will the 118-degree point on these cobalt bits start cleanly in the hardened steel plate I already have clamped?
The 118-degree point angle is designed for general-purpose drilling and will centre without a pilot hole in hardened steel, though a centre punch helps on thicker sections.
How can I confirm the 8-percent cobalt M42 bits are cutting properly once I start drilling?
Look for short, golden-brown chips and steady feed pressure; blue chips or excessive heat mean the speed is too high for the material.
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