Double fast spiral masonry drill bits

Feature highlights：

The masonry drill bits with Double flute

Galvanized surface of the masonry drill bits for corrosion resistance

Economic masonry drill bits for DIY

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specification

Double fast spiral masonry drill bits

Use double flute masonry drill bits for drilling in brick, cinder block and tile.
The double flute design drills twice as fast as standard masonry bits
Carbide tip minimizes wear and extends the life of the bit
This masonry drill bits are for use in corded and cordless rotary drills only

Doudble fast spiral masonry drill bits