기능

• Can be combined with polyclick shank and cutter for diameter enlargement work.
• Existing holes can be easily enlarged.
• For the guide, a cutter with an existing hole perforation is used, so the diameter can be enlarged simply by preparing a diameter enlargement shank.
• For widening the diameter of piping holes when replacing air conditioners.
• For increasing the diameter of holes when replacing factory piping.
• For other hole diameter enlargement.
• Existing hole Ф49 or less * Remove the guide cutter as soon as possible after positioning when working to increase the diameter. *It may not be possible to enlarge the diameter to the hole pierced by a cutter made by another company. *When the diameter is enlarged to a hole punched by another manufacturer's cutter, "vibration" or "vibration" may occur due to the difference between the hole diameter and the diameter of the guide cutter. *It cannot be used for electric motors with brakes.