11/16 x 18" extra length drill bit, 1/2" shank, high speed steel
High-speed steel drill bit with extra length for reach. Features include black oxide lubrication and round shank for versatile toolholding. One customer notes long flute length and quality, though durability and sharpness vary
Highlights
- extra length for reach
- round shank versatility
- lubricity from black oxide
Pros
- high-speed steel for general purpose use
- black oxide treatment for lubricity
- round shank for various toolholding systems
- extra length for extended reach
- counterclockwise direction evacuation reduces clogging
Cons
- mixed durability and sharpness feedback
- some reports of breakage or dullness at start
Best For
Features
- High-speed steel for general purpose drilling with hardness and toughness
- Black oxide coating provides lubricity and coolant pockets near cutting edge
- Round shank for compatibility with a wide range of toolholding systems
- Right-hand spiral design with chips evacuated up and out to reduce clogging
- Extra length reach for drilling in a broad range of iron and steel materials
