Westward
Westward 15/64" HSS Black Oxide 118 Deg Jobber Drill Bit
Drills 15/64 inch holes using high-speed steel with black oxide finish and 118-degree point angle
- 15/64 inch size suits precise fractional drilling
- High-speed steel construction resists wear in tough materials
- Black oxide finish reduces friction and chip welding
- 118-degree conventional point starts cleanly without walking
- Jobber length provides standard reach for general use
15/64" Jobber Drill Bit
This 15/64 inch jobber drill bit is made from high speed steel with a black oxide finish. It suits general purpose drilling in metal, wood and plastic for trade professionals and DIY users. The conventional 118 degree point allows reliable starting on flat surfaces without a pilot hole. Fractional sizing matches common imperial specifications.
Black Oxide High Speed Steel Construction
Black oxide coating reduces chip welding and improves lubricity during cutting. High speed steel body resists wear when drilling mild steel, aluminium and alloys. The jobber length provides standard reach for through holes and deep drilling tasks. No coolant through design means external lubrication is required for tougher materials.
Heat Resistance And Cutting Performance
High speed steel retains hardness at elevated temperatures generated during extended drilling. The 118 degree point angle distributes cutting forces evenly to limit chatter. Black oxide surface helps dissipate heat away from the cutting edges. Conventional point geometry produces manageable chip loads for hand held or machine use.
Highlights
- 15/64 inch size suits precise fractional drilling
- High-speed steel construction resists wear in tough materials
- Black oxide finish reduces friction and chip welding
- 118-degree conventional point starts cleanly without walking
- Jobber length provides standard reach for general use
Specifications
| Brand | Westward |
|---|
Questions about this item
What does the 118 degree point angle mean for drilling performance?
The 118 degree conventional point is a general-purpose geometry suitable for drilling mild steel, aluminium and plastic in portable or stationary drills.
What chuck capacity is required for the 15/64 inch shank?
The bit has a 0.2344 inch diameter shank, so a 1/4 inch or larger three-jaw chuck is needed to grip it securely.
How should the black oxide finish be treated before first use?
Wipe off any preservative oil, then apply cutting fluid or light oil during drilling to reduce friction and extend the high-speed steel edge life.
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