1/8" x 6" cobalt aircraft extension drill bit (12 pack) GLBCO
Cobalt aircraft extension drill bit set designed for tough materials. 135° split point helps prevent walking and round shanks fit various tool holding systems. Customers note quality and ease of drilling; some report durability issues
Highlights
- cobalt alloy for tough metals
- 135 split point reduces walking
- multiple material compatibility
Pros
- 135 split point prevents walking
- round shanks for versatile tool holding
- cobalt for high tensile materials
- pack of 12 for bulk use
- effective on stainless steel, inconel, titanium
Cons
- mixed durability feedback
Best For
Features
- Cobalt steel drill bit for tough materials like stainless steel and inconel
- 135 split point minimizes walking during starting hole
- Round shank compatible with a wide range of tool holding systems
- Gold oxide coating provides a thinner surface treatment similar to uncoated tools
- 6 inch overall length offers extended reach for deep drilling