Drill America 25 Piece Metric Cobalt Drill Bit Set in Round Case
Cobalt drill bit set (M35 5% cobalt) for metal, wood, and plastic with a durable round case. Noted for sharpness and value, though durability and size readability vary by user
Highlights
- m35 cobalt with high red hardness
- speeds up to 30% greater than high speed steel (relative claim)
- comprehensive 25-piece metric range
Pros
- heavily durable cobalt tooling
- sharp cutting performance
- includes organized round storage case
- varied sizes from 1mm to 13mm in 0.5mm steps
Cons
- mixed durability feedback
- size readability issues cited by some
- some reports of breakage on small size
Best For
Features
- HEAVY DUTY DRILL BIT Manufactured to National Aerospace Standard 907 and made of heat-resistant cobalt
- these drill bits display higher red hardness which permits speeds up to 30% greater than high speed steel drills
- BEST USES The m35 5% cobalt drills are effective in drilling tough
- high tensile strength materials such as Inconel
- stainless steel and titanium
- as well as wood
- plastic and other hard metals
- 135 DEGREE CUTTING ANGLE Jobber length drill bits have a 135 degree split point for self-centering