Cle-Line
Cle-Line 18451 25/64 in 135° Jobber Drill Bit
A 25/64 inch high-speed steel jobber drill bit with a 135° split point for accurate starting
- TypeDrill Bits
- MaterialHAWA
- 25/64 in fractional size matches precise drilling needs
- 135° split point starts fast with less walking
- High-speed steel construction handles tough materials
- Black and gold finish resists wear and corrosion
- Jobber length gives standard reach for everyday tasks
25/64 in jobber drill bit
This Cle-Line 18451 bit is a jobber-length twist drill made from high-speed steel with a black-and-gold surface. It has a 135-degree split point for self-centering and a fractional 25/64 inch diameter (0.3906 decimal equivalent). The tool is sold new and intended for general machine or hand drilling.
Mechanics who need a single 25/64 in drill
The bit suits maintenance technicians and metalworking shops that require this specific fractional size for reaming, tapping or clearance holes. It is not for buyers who need a full set of incremental sizes, a different point angle for specialised materials, or coolant-through capability for deep-hole drilling.
135-degree split point
The 135-degree split-point geometry determines how the bit starts and cuts in steel and alloy workpieces. This feature decides whether the drill matches the application without the need for centre punching or pilot holes.
Highlights
- 25/64 in fractional size matches precise drilling needs
- 135° split point starts fast with less walking
- High-speed steel construction handles tough materials
- Black and gold finish resists wear and corrosion
- Jobber length gives standard reach for everyday tasks
Specifications
| Brand | CLE-LINE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
How do I install the 25/64 in jobber drill bit, and what step is often missed?
Chuck the 25/64 in shank securely in a drill press or hand drill, then verify the 135 degree split point is centred before drilling; the step most people skip is checking run-out with a dial indicator.
What maintenance or replacement will the 25/64 in HAWA bit need later?
Resharpen the 135 degree split point when cutting slows, using a drill-bit sharpener set to 135 degrees; replace the bit once the flutes wear down to the 0.3906 diameter.
What limit appears first on the 25/64 in jobber bit under sustained drilling?
Heat buildup at the 135 degree split point causes temper loss in the HAWA steel before flute wear becomes critical, especially without coolant through holes.
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