Westward
Westward 1/2" HSS Black Oxide 118° Jobber Drill Bit
A 1/2 inch high-speed steel jobber drill bit with a 118 degree point angle and black oxide finish
- TypeAngle, Pitch & Slope Locators
- 1/2" diameter suits common drilling tasks
- 118° point angle centres quickly in metal
- High-speed steel resists wear during repeated use
- Black oxide finish reduces friction and corrosion
- Jobber length gives standard reach for general work
Drill Bit for General Metalwork
This 1/2 inch high-speed steel jobber drill bit suits workshop tasks that require a standard 118-degree conventional point. The black oxide finish helps reduce friction and resist corrosion during everyday drilling in ferrous metals. Buyers who need cobalt or carbide tips for hardened steel should look elsewhere.
Straightforward Chuck Fit
The straight shank seats directly in any three-jaw chuck sized for 1/2 inch capacity, so no adapter or special holder is required. Ensure the workpiece is clamped rigidly; otherwise the conventional point can wander on hard or angled surfaces and the bit may overheat if feed pressure is excessive.
Limited by 118-Degree Geometry
The 118-degree point angle is optimised for mild steel and cast iron rather than stainless or exotic alloys, so chip evacuation slows in deeper holes. Black oxide provides modest lubricity but does not replace cutting fluid, and the absence of coolant-through channels means heat builds faster in prolonged cuts.
Highlights
- 1/2" diameter suits common drilling tasks
- 118° point angle centres quickly in metal
- High-speed steel resists wear during repeated use
- Black oxide finish reduces friction and corrosion
- Jobber length gives standard reach for general work
Specifications
| Brand | Westward |
|---|---|
| Type | Angle, Pitch & Slope Locators |
Questions about this item
How do I confirm the 118° point angle is cutting cleanly after I start drilling?
The 118° conventional point should centre itself without wandering and produce smooth chips in steel when run at the correct speed.
What comes in the package and do I need any extra accessories?
The box contains the single 1/2" HSS black oxide jobber drill bit; no coolant-through hardware or additional holders are included.
When would I choose this 1/2" size over the other fractional sizes in the range?
Select the 1/2" bit when the hole diameter must be exactly .5000 in; smaller fractional sizes are for smaller clearance or pilot holes.
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