기능

• This is a set of ironwork drill and free size drill.
• For iron work, drilling iron, stainless steel, aluminum, resin and wood, and for free drill, deburring and dishing work after drilling.
• Since the cutting edge is thinned, the material is easy to bite and hard to slip.
• 6.35 mm hexagonal shaft is adopted, and it can be used with impact driver with little chuck slip.
• Titanium coating improves heat resistance and long-lasting sharpness.