Star Diamond Zig-Zag Diamond Core Bit, 30421

$377.74 / EACH
Features high quality Zig Zag turbo segments for fast drilling in heavily reinforced concrete. The Professional's choice when drilling heavily reinforced concrete. Comes with unique threaded barrel and the Flip Top removable adapter. Un-thread the adapter to remove jammed cores or to add core barrel extensions for extra length. 16" overall length and 14" effective drilling depth.