Drill bit Ø6mm Diamond hollow drill bit with countersunk ring Ø16mm WINTER

Manufacturer: WINTER,
Type: 339215 / S6-16,
Drill bit length approx. 75mm, 1/2” external thread.
The countersunk ring is adjustable and removable,
Weight: 162 g,
Application: Glass industry,
Condition: Good, second-hand