ZENESIS™ BLACK CORE BIT

Drilling 8mm ● ZDGUL

The superior ZENESIS™ BLACK CORE BITS are made using the same ZENESIS™ pattern diamond technology that made our bridge saw blades #1 in the world. Made for worst case scenario materials like quartzite this bit is the best performing bit we have ever made. The pattern diamond segments guarantee consistency throughout the life of the bit. Brazed diamonds on the outside of the barrel help prevent binding in the hole while brazed diamonds on the inside of the barrel make for easy plug removal.

  • All‐new design for enhanced performance
  • Can be used wet or dry
  • Drills Granite, Engineered Stone, and Quartzite

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