The Zenesis Patterned Diamond Core Bits are perfect  for fast and precise drilling. Its advance patented technology provides maximum performance with every diamond placed strategically. A 4 inch diameter core bit creates clean cuts on concrete, no matter the hardness and material. Its long barrel is designed for maximum penetration rate. Zenesis Core Bits come with just the right segment height for tough drilling through hard materials. The diamond powders used in their core bits are of the highest quality, delivering better cutting speed and lifespan.

Zenesis's diamond technology will outperform any other standard core bit. Zenesis 4 inch Core Drill Bits can be used with wet coring helping loosen a concrete or brick's surface. Its seams and joints are laser welded providing industrial-grade quality. A diamond concrete drill bit by Zenesis is strategically arranged with diamonds for ideal performance.  Its durability and lifespan can be attributed to its hardened teeth with a superior drilling experience. Zenesis makes your job easier with lasting tools without sacrificing the quality of the cut.  Looking for other sizes? The Zenesis core bits come in a variety of sizes to suit your project needs. Please be sure to check out their high quality core bits as well as the many other great Zenesis products to ensure the best quality for your job.

Features:

• 4 inch size for core drilling machines

• 10 mm segment height for tough drilling

• 14 inch long barrel for the hole's depth

• 1 1/4-7 inch arbor size for an efficient and steady cut

• Designed for wet use only

Applications:

• Hard Concrete

• Reinforced Concrete

• Concrete Block

• Granite

• Brick