ZENESIS™ Z‐Thin Wall Core Bit excels in clean, precise hole drilling across diverse materials like marble, granite, porcelain, with minimal chipping and blowout compared to standard bits.
Drills All Natural Stone, Porcelain, and Engineered Stone.
| Diameter | Part No. | Segment | Arbor Size | |
| 3/4" | ZETWCB30P019B | 9.5mm | 5/8"-11 | |
| 1" | ZETWCB30P025B | 9.5mm | 5/8"-11 | |
| 1 1/8" | ZETWCB30P028B | 9.5mm | 5/8"-11 | |
| 1 1/4" | ZETWCB30P032B | 9.5mm | 5/8"-11 | |
| 1 3/8" | ZETWCB30P035B | 9.5mm | 5/8"-11 | |
| 1 1/2" | ZETWCB30P038B | 9.5mm | 5/8"-11 | |
| 1 3/4" | ZETWCB30P044B | 9.5mm | 5/8"-11 | |
| 2" | ZETWCB30P051B | 9.5mm | 5/8"-11 | |
| 2 3/8" | ZETWCB30P060B | 9.5mm | 5/8"-11 | |
| 2 5/8" | ZETWCB30P067B | 9.5mm | 5/8"-11 | |
| 3" | ZETWCB30P07B | 9.5mm | 5/8"-11 | |
| 4" | ZETWCB30P100B | 9.5mm | 5/8"-11 | |
| 4 3/4" | ZETWCB30P120B | 9.5mm | 5/8"-11 |