Material: Diamond holesaw drill is made of diamond sand material, which is sturdy and smooth, can be used for a long time
Unique Design: The drill holesaw is designed with a serrated cutting edge, which can make a sharp and smooth cut
Feature: Features vacuum brazed technology with high diamond concentration for faster cutting speed. Easy to use and user-friendly, providing neat, smooth drilling without any chipping or rough edges
Practical: The front and rear double chip removal holes are designed for smoother drilling, lower cutting resistance overall, better chip removal, and faster drilling
Application: Diamond core bits to drill holes in porcelain, cement, bathroom tiles, marble, granite, stone, masonry, brick with ease