Fang Da Wang Offset Eccentric Drill Bit Dry Hammer Ceramic Tile Concrete Marble Full Ceramic Hex Shank 10mm 2pcs

Second-generation high-hardness alloy for enhanced durability and performance

Eccentric drill head design with offset and staggered cutting edges for efficient grooving and cutting

Six major advantages of the drill head including hardened alloy cutting edges, shortened center blade distance, and accurate center positioning

Wide chip removal grooves for smooth debris discharge and effective heat dissipation to prevent drill bit burning

Suitable for dry drilling without water on tiles, glazed bricks, antique bricks, ceramics, quartz stone, full porcelain tiles, glass, concrete, and wood

Requires water cooling when drilling marble, granite, and steel plates

Fast drilling speed and long service life compared to ordinary drill bits

Upgraded version with improved chip removal and cutting efficiency