Leja Tools Diamond Hollow Drill Bits for Dry Drilling, 1/4" Hex Shank

High-quality diamond segments, vacuum-welded, reducing working temperatures.
With wax to facilitate drilling.
They drill in vertical and horizontal positions.
Dry or wet drilling of tiles, bricks, stoneware, porcelain stoneware, granite, marble, ceramics, natural stone.
In electrical, plumbing, metalwork, installations and tiling work.
With 1/4” hexagonal connections for electric or cordless drills without hammer.
Minimum RPM 1,500.
Diamond segment height: 10mm.
Presentation in individual plastic tube.