3/16" x 6" cobalt aircraft extension drill bit (pack of 12)
Cobalt drill bit with 3/16" diameter and 6" length, designed for tough materials. 135 split point helps prevent walking; round shanks fit various tool holders. Customers report sharp cuts and good value, with mixed durability reactions
Highlights
- split-point design for starting accuracy
- coated cobalt for hardness
- versatile shank design
Pros
- 135 split point prevents walking
- round shanks for versatile tool holding
- sharp, smooth cutting performance
- suitable for tough materials
Cons
- mixed durability feedback
Best For
Features
- 6" overall length for extended reach in drilling tasks
- 3/16" diameter cobalt aircraft extension drill bit for tough materials
- 135 split point feature helps prevent walking during starts
- round shank design compatible with various tool holding systems
- gold oxide finish provides a distinct coating while delivering performance similar to uncoated cobalt tools
