We produce this chamfer cutter with premium carbide, featuring 60°90°120° angles and a coated design for versatile internal hole processing. Its double-sided structure handles both upper and lower, front and back chamfering, while the undercut function meets specialized machining needs. The coating enhances wear resistance, ensuring durability against tough materials. Crafted with strict precision, it delivers smooth, burr-free results—ideal for industrial internal hole chamfering and undercut tasks requiring consistent performance.