Cobalt Countersink Drill Bit Set 4pc M35 90°
4-piece countersink tool set made of M35 cobalt HSS with cobalt coating. precision 90-degree bits for metal, stainless steel, copper, and wood; cone tip ensures accurate centering. customers note sharpness, smooth cutting, and dependable build quality
Highlights
- m35 cobalt steel
- 90-degree countersink
- cone tip for centering
Pros
- premium cobalt HSS construction
- sharp, smooth cutting performance
- accurate centering cone tip
- chatter-free operation
- durable for various materials
Cons
- mixed feedback on durability
- mixed feedback on sizing
Best For
Features
- Made from M35 cobalt high speed steel with cobalt coating for heat resistance
- 90-degree countersink bits designed for metal, stainless steel, copper, and wood
- Cone tip centers accurately; enlarged spiral flute for rapid chip ejection
- Chatter-free cutting with pre-drilled holes or deburring and edge chamfering
- Suitable for table drills and milling machines with common SAE 1/4"-3/4" shanks
