Diamond drill DDR-B 025x450x1 1/4 UNC RM4

Diamond crown drill bit with an optimal speed and lifetime ratio.
For drilling reinforced concrete and bricks.
Used on diamond drilling machines.
Mandatory use of water coolant.
The ring segment with grooves is attached to the steel core by silver brazing.
The drill bit is manufactured in a diameter range of 10 mm-35 mm with length of 150, 320 or 450 mm, and a 1/2 GAS shank
It is recommended to slow down the drill bit rotation speed when passing the reinforcement.
Follow the recommendations for water coolant supply intensity.
The drill bit can be retipped at specialized service centers.