Diamax Cyclone Ultra Core Bit

The Diamax Cyclone Ultra Core Bit is a diamond-tipped core drill bit designed for drilling clean, precision holes through a variety of hard surface materials including engineered stone, granite, marble, porcelain, quartzite, and ultra-compact surfaces. Its thin tapered segments and shortened overall length help improve control and entry into the material, while offering versatile use in both wet and dry drilling conditions for stone fabrication, countertop installations, plumbing, and electrical cut-outs.

This Diamax 5/8" to 3" Cyclone Ultra Core Bit is engineered for efficient wet or dry drilling and precision cutting in granite, marble, quartz, and engineered stone. Designed for professional stone fabricators and installers, it delivers fast material removal with minimal chipping while maintaining durability and control. Ideal for creating holes, slots, or thin cuts with consistent, clean results.

5/8in to 3in Cyclone Ultra Core Wet/Dry Core Bit polishing pad designed for fast, smooth stone finishing. Ideal for granite, marble, and engineered stone surfaces. Delivers reliable performance with angle grinders or air polishers.

Key Features & Specifications

Diamond-Enhanced Cutting

Thin tapered diamond segments provide fast, clean cores with reduced blow-outs and chipping when working on hard stone or ultra-compact surfaces.

Wet or Dry Use

Engineered to work effectively in both wet and dry drilling, giving flexibility for field work or shop conditions.

Shortened Length

A more compact overall design gives improved handling and control compared to longer core bits, especially in hand-held applications.

Standard Thread Fit

5/8″-11 threaded connection is compatible with most angle grinders, drills, core drilling machines, and air polishers commonly used in stone fabrication.

Versatile Material Compatibility

Suitable for engineered stone, granite, marble, porcelain, quartzite, and ultra-compact surfaces—good for demanding stone cutting jobs.

Specifications

• Brand: Diamax Inc.

• Model / SKU: CUDB014

• Product Type: Cyclone Ultra Core Diamond Core Drill Bit

• Diameter: 1/4″ (other sizes exist in the Cyclone Ultra series from 1/4″ up to 3″)

• Thread: 5/8″-11 (standard universal core bit thread)

• Usable Length: Approx. 2″ (varies slightly by size)

• Maximum RPM: ~5,000 rpm (typical safe operating speed)

• Drilling Use: Wet or dry applications

• Material Suitability: Engineered stone, granite, marble, porcelain/tile, quartzite, ultra-compact surfaces

• Tool Compatibility: Angle grinder, pneumatic machine, drill, air polisher (with 5/8″-11 arbor)

Usage Tip: While the bit can be used dry, using water for wet drilling helps cool the diamond segments, reduce dust, and extend overall bit life on hard stone and ultra-compact materials.

Item & Specifications Table