YG-1 ZI0301 I Series I-Dream Drill Holder, Flanged Shank, 3-29/32 in D Drill

Features and Benefits:

Special Alloy Steels that maintains its hardness and toughness under high temperatures with generous coolant holes for effective coolant flow.
Innovative surface treatment that improves wear resistance and reduces corrosion.
High Performance flute design allowing maximum chip evacuation and minimum interference.