Materials：Steel 9341 (HSS)
Quality：Hardness: HRC62-65, sharp cuts with no bluntness
Finish / Color：Titanium coating
Size Details：4.5mm PK2
Application: For drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness alloyed
- Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section.
- Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole.
- Specialized bits are also available for non-cylindrical-shaped holes. HSS drill Standard: