2-Flute drills have good chip removal properties and are suitable for deep hole drilling and soft workpiece materials.
3-Flute drills are characterized by their high efficiency and high precision, making them particularly advantageous for high-speed machining and high-precision drilling.
- Advantages of 3-Flute Drills
- High Efficiency
3-flute drills have more cutting edges than 2-flute drills, increasing the amount of material that can be removed per rotation and improving machining efficiency.
- Well-Balanced Guiding Performance
3-Flute drills have three contact points with the hole wall, improving guiding performance.
- Disadvantage of 3-Flute drills
- Increased thrust resistance
High loads can be a concern on machines or workpieces with insufficient rigidity.
- Expensive tool price
Due to the large number of flutes.
- Limited compatible materials
A 3-flute drill has narrower flutes than a 2-flute drill, and is prone to chip clogging when used with materials that tend to hold together chips.
Machining applications where a 3-Flute drill is effective
Materials with low cutting resistance and easily broken chips, such as cast iron (FC/FCD)
Rigid machines and workpiece shapes
When machining a large number of workpieces
OSG's 3-Flute carbide drill with coolant holes, the
ADO-TRS, achieves low cutting resistance and stable chip evacuation comparable to that of a 2-Flute drill.
Stable, high-efficiency machining is possible with wide range of work materials, including mild steel, carbon steel, and alloy steel.