13/16" x 18" HSS extra long drill bit w/ 1/2" shank
HSS drill bit with extra length for reach in iron and steel materials. Offers hardness and toughness with lubricity from black oxide treatment. Customers note quality and sharpness, but durability and straightness receive mixed feedback
Highlights
- extra-long length for reach
- black oxide lubricity
- broad material compatibility
Pros
- high-speed steel for general purpose drilling
- extra long reach for deep holes
- black oxide improves lubricity near cutting edge
- round shank compatibility with toolholding systems
- sharp bit with solid quality perception
Cons
- durability feedback mixed; some report breakage
- accuracy and straightness vary among users
Best For
Features
- High-speed steel composition suitable for general purpose drilling
- HSS with wear resistance through hardness and toughness balance
- Black oxide coating provides lubricity and near-edge coolant pockets
- 13/16 inch diameter, 18 inch length with a 1/2 inch shank for extended reach
- Round shank enables compatibility with various toolholding systems
