Hollow drill with centering R1/2"

The diamond hollow drills with R1/2" external thread are characterized by long tool life and fast drilling progress. They are equipped as standard with ejection slots and a segmented coating for effective dust ejection. All electroplated drills are also equipped with a center drill for precise spot drilling. The 1/2" holder serves as a reliable mount for all drilling machines and for CNC machining centers. It can optionally be combined with an M12 or M14 internal thread.

Optionally, our electroplated drills can also be equipped with an ejector spring.

Always the appropriate diameter: In addition to our many standard drills, we also manufacture galvano drills in millimeter increments on customer request, such as with Ø62mm and Ø116mm (Fig. 4).