Zenesis™ Dry Core Bits

Drilling ‚óŹ ZDGUL

Our 3rd generation ZENESIS™ Dry Core Bit is thoroughly engineered to achieve superior wet and dry coring of granite and engineered stone. Laser-welded segments, enlarged cooling holes, and generous side coating result in faster cleaner cuts without even breaking a sweat. The new ZENESIS™ Dry Core Bit is manufactured with our most advanced pattern diamond technology to date, and is designed to outperform and outlast its competition.

  • All-new design for enhanced performance
  • Laser-welded segments for safer coring
  • Larger cooling holes on the barrel
  • Abrasive side coating to reduce friction
  • Designed for granite and engineered stone
  • Can be used wet or dry

Part No. Diameter Segment Arbor Size
ZDGUL032B3 1-1/4" 8mm 5/8"-11 Threaded
ZDGUL035B3 1-3/8" 8mm 5/8"-11 Threaded
ZDGUL038B3 1-1/2" 8mm 5/8"-11 Threaded
ZDGUL051B3 2" 8mm 5/8"-11 Threaded
ZDGUL057B3 2-1/4" 8mm 5/8"-11 Threaded
ZDGUL062B3 2-1/2" 8mm 5/8"-11 Threaded
ZDGUL075B3 3" 8mm 5/8"-11 Threaded
Available Sizes


diameter 1-1/4"
segment 8mm
arbor 5/8"-11 Threaded


diameter 1-3/8"
segment 8mm
arbor 5/8"-11 Threaded


diameter 1-1/2"
segment 8mm
arbor 5/8"-11 Threaded


diameter 2"
segment 8mm
arbor 5/8"-11 Threaded


diameter 2-1/4"
segment 8mm
arbor 5/8"-11 Threaded


diameter 2-1/2"
segment 8mm
arbor 5/8"-11 Threaded


diameter 3"
segment 8mm
arbor 5/8"-11 Threaded