Chamfering Diamond Step Drill Bit Abrasive Stepped Cone Drill Bit Wear-Resistant Tapered Reamer Gold-Colored

Core Product: This gold-colored tool bit is a diamond step drill bit designed as a stepped cone drill bit for accurate work on tile and stone surfaces.

Primary Function: Built as a tile stone drill bit, it supports drilling, reaming, chamfering, and deburring in one versatile step drill bit.

Stepped Structure: The cone-shaped body features three working diameters marked 20 mm, 35 mm, and 50 mm, with each step shown as 12 mm high for controlled progress.

Surface Feature: A rough abrasive texture gives this diamond step drill bit improved cutting action and wear resistance during repeated use.

Practical Advantage: This stepped cone drill bit helps create cleaner holes and smoother edges, making finishing work faster and more consistent on hard materials.