Drill America 23.5mm HS Drill Bit (1/2" Shank)
Price tier: Budget
Check price on Amazon →
High-speed steel drill bit for general purpose drilling with black oxide finish for lubricity. Customers note good value but mixed durability and sharpness
Highlights
- wear-resistant HS material
- lubricity from black oxide
- versatile toolholding with round shank
Pros
- high-speed steel for wear resistance
- black oxide finish adds lubricity
- round shank for versatile toolholding
- supports counterclockwise spiral for chip evacuation
- ideal for low to medium tensile materials
Cons
- mixed feedback on sharpness and dulling
- some reports of chipping on first use
- inconsistent hole size and quality
Best For
Features
- High-speed steel tools are good for most general purpose applications
- offering a combination of hardness and toughness for wear resistance
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for drilling in low and medium tensile strength materials.
