기능

• A bargain set of drills that can be drilled into thin iron plates, deburring and chamfering.
• Drilling/widening/deburring of thin iron plates, aluminum, etc., and deburring/chamfering work after drilling of thin iron plates, aluminum, plastic, etc.
• The step drill has a unique cutting edge angle design that reduces cutting resistance, is battery efficient, and is ideal for use with charging impact drivers.
• The step drill is thinned to the cutting edge so that it is easy to bite the material and does not require a center punch.
• The step drill has excellent heat resistance and long life due to the titanium coating specification.
• Free drill has high steel and titanium coating specifications, so it has excellent durability.
• Free drill can be chamfered and deburred beautifully with 5 cutting blades (chamfered angle 90 degrees).