Wet drill crowns 1.1/4" PREMIUM 5/4"

Reinforced concrete with medium heavy reinforcement, concrete with or without reinforcement, limestone, highly compacted sand-lime, aerated concrete, hard brick, Poroton, brick

• Matrix segment technology - uniform, accurate and consistent diamond arrangement throughout the segment
• Matrix segment: highest life and at the same time the best drilling progress, as there is always the optimal amount of diamonds in the drill bit
• Roof segment - for optimal bore conduct
• 12 mm segment height - so that there is a longer service life of at least 33% compared to competitive products with only 9 mm segment height
• Laser welded segments instead of soldered ones - optimal protection against segment loss, even at higher heat built-up during drilling
• Drill bit tube with 450 mm working length
• Version with the two most common threaded connectors R 1/2 " or 1.1/4 " UNC