26pcs cobalt letter drill bit set with indexed case
M35 cobalt HS drill bits with 135 split point for precise drilling in metal, plastic, and wood. Self-centering design reduces walking and improves clarity; mixed durability feedback from users
Highlights
- m35 cobalt alloy
- indexed metal case
- 135 split point
Pros
- cobalt high-speed steel construction
- 135 split point for centered drilling
- self-centering to prevent walking
- indexed metal case for size organization
- fully ground twist design for efficient chip clearance
Cons
- mixed durability and sharpness feedback
- some users report bits dull quickly or break
Best For
Features
- M35 cobalt (5%) high speed steel for extended tool life when drilling hard materials
- 135 split point with round straight shank for self-centering and reduced walking
- Fully ground twist design enables faster chip clearance and cooler drilling
- Suitable for tough, high-tensile materials including stainless steel, cast iron, and alloy steels
