DWDRSD1-1/2 high-speed steel drill bit, 1/2" shank
High-speed steel drill bit with 1/2" shank for general purpose drilling. Black oxide coating improves lubricity and chip clearing near the cutting edge. Suitable for round shanks and counterclockwise operation for chip evacuation
Highlights
- high-speed steel for versatility
- black oxide lubricity and coolant pockets
- chip evacuation aids reduce clogging
Pros
- high-speed steel for general purpose drilling
- black oxide coating for lubricity
- round shank compatible with various toolholders
- efficient chip evacuation in right-hand cuts
Cons
- mixed durability reports
- some users report dulling quickly
- occasional chipping on first use
Best For
Features
- High-speed steel provides general purpose hardness and toughness for wear resistance
- Black oxide reduces friction and holds coolant near cutting edge via surface pockets
- Round shank design enables compatibility with multiple toolholding systems
- Right-hand cut spiral flutes evacuate chips to reduce clogging during drilling
- Suitable for drilling in low to medium tensile strength materials