Chicago-Latrobe
Chicago-Latrobe 41625 135 Degree Heavy-Duty Jobber Length Drill Bit 25/64 in
Jobber-length drill bit with a 135-degree split point for 25/64 inch holes in high-speed steel
- TypeDrill Bits
- MaterialHAWA
- 135° split point starts cleanly without wandering
- High-speed steel with TiN coating resists wear
- 25/64 in jobber length fits standard chucks
- Decimal equivalent .3906 in for precise layout
- Heavy-duty construction handles tough materials
Chicago-Latrobe 41625 Drill Bit
The Chicago-Latrobe 41625 is a jobber length drill bit designed for heavy-duty drilling tasks. It suits professional tradespeople and serious DIY users who need a reliable fractional-inch bit for general purpose metalworking.
135 Degree Split Point and TiN Coating
The 135 degree split point angle allows the bit to start on contact without walking, reducing the force required during normal use. The High Speed Steel construction with TiN coating resists heat buildup and wear, helping the cutting edges stay sharp longer under load.
25/64 Inch Fractional Size
This bit cuts a precise 25/64 inch hole, with a decimal equivalent of .3906 inches. It is a non-coolant through design with zero coolant holes, making it unsuitable for applications requiring through-tool coolant delivery or for sizes outside this specific fractional diameter.
Highlights
- 135° split point starts cleanly without wandering
- High-speed steel with TiN coating resists wear
- 25/64 in jobber length fits standard chucks
- Decimal equivalent .3906 in for precise layout
- Heavy-duty construction handles tough materials
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
How do I install the 25/64 in jobber drill bit in my drill chuck and what step is often missed?
Open the chuck wide, insert the shank fully, then tighten securely; the step often missed is not seating the bit all the way to the chuck jaws, which causes run-out.
What maintenance or replacement will the 135 degree split-point TiN bit need later?
The TiN coating reduces wear, but the cutting edges will dull over time; resharpen the 135 degree split point or replace the bit when drilling becomes slow or rough.
What limit appears first during sustained drilling with this high-speed steel bit?
Heat buildup at the tip is the first limit; without coolant holes the bit relies on external lubrication and peck drilling to prevent overheating and loss of hardness.
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