Chicago-Latrobe
Chicago-Latrobe 47759 135 Deg Cobalt Jobber Drill Bit #25
A #25 jobber-length drill bit with a 135-degree split point made from cobalt for hard materials
- TypeDrill Bits
- MaterialHAWA
- Cobalt construction resists heat during heavy drilling
- 135-degree split point starts holes without wandering
- #25 wire size equals .1495 inch diameter
- Jobber length fits standard drill chucks
- Chicago-Latrobe brand trusted in industrial settings
Chicago-Latrobe 47759 Cobalt Jobber Drill Bit
This Chicago-Latrobe drill bit is a #25 size jobber-length tool made from cobalt steel. It is designed for general-purpose drilling in metal and other materials where heat resistance is needed. The 135-degree split point helps start holes accurately without a centre punch. It suits machinists, maintenance technicians and serious DIY users.
Suited for metal drilling with a split-point start
The split-point geometry reduces walking on hard surfaces and the cobalt construction withstands higher temperatures than standard high-speed steel. Buyers who need coolant-through capability for deep-hole chip evacuation should look at a different design. Those requiring a coated finish for abrasive non-ferrous materials will also need another option.
135-degree split point improves hole accuracy
The 135-degree point angle combined with a split-point tip centres the bit quickly on contact. This geometry is the key specification that determines whether the bit will start cleanly on curved or hardened stock without wandering. Decimal equivalent is .1495 inches for precise size matching.
Highlights
- Cobalt construction resists heat during heavy drilling
- 135-degree split point starts holes without wandering
- #25 wire size equals .1495 inch diameter
- Jobber length fits standard drill chucks
- Chicago-Latrobe brand trusted in industrial settings
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
What does the 135-degree split point do when the bit is in the chuck?
The 135-degree split point reduces walking and starts cutting on contact without a centre punch.
How does the jobber length affect reach in a standard drill?
Jobber length gives a typical flute and overall length for general-purpose drilling in a hand drill or press.
What shank size does the #25 bit need to fit a three-jaw chuck?
The #25 bit has a 0.1495-inch diameter shank that fits any standard three-jaw chuck accepting that size.
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