Drill America cobalt reduced shank drill bit 63/64" DWDCO
Cobalt steel drill bit with 63/64" reduced shank and 1/2" shank option. Designed for harder metals; round shank compatible with various toolholding systems. Customer note: mixed feedback on durability and sharpness
Highlights
- cobalt for hard metals
- reduced shank with versatile grip
- aerospace standard 907
Pros
- cobalt steel composition for harder metals
- round shank for versatile toolholding
- gold oxide surface treatment aids identification
- manufactured to aerospace standard 907
Cons
- mixed feedback on durability and dullness
- reports of brittleness and breakage
- bending/wobble reported by some users
Best For
Features
- Cobalt steel tool composition for harder metals performance such as stainless steel
- Gold oxide coating is a thinner surface treatment than black oxide
- Round shank compatible with a wide range of toolholding systems
- Spiral flute design with conventional right-hand cut evacuates chips to reduce clogging
- Manufactured to National Aerospace standard 907