DWDDL12X11/16 high-speed steel extra long drill bit
High-speed steel drill bit with extra length for reach. Good hardness and wear resistance with lubricity from black oxide; suitable for general-purpose drilling. Some customers note durability and straightness are mixed
Highlights
- extra long reach for deep holes
- black oxide for lubricity
- round shank for versatile toolholding
Pros
- high-speed steel for general purpose
- black oxide surface for lubricity
- extra long reach
- round shank compatibility
- efficient chip evacuation when used counterclockwise
Cons
- mixed durability reports (some breakage encountered)
- varying accuracy and straightness across materials
Best For
Features
- High-speed steel provides general purpose durability for drilling
- Offers hardness and toughness for wear resistance in steel and iron
- Black oxide finish reduces friction and aids coolant retention at the cutting edge
- Round shank enables compatibility with a variety of toolholding systems
- Long 12-inch length provides extended reach for applications needing extra depth
