Diamax Cyclone Non-Core Bit – 1/4 in., for Granite, Quartz & Porcelain
The Diamax Cyclone Non-Core Bit is a 1/4 in. non-coring bit for opening small holes for anchors, screws and cables in granite, quartz and porcelain.
Diamax built this line specifically for anchor and cable holes: a new dry segment matrix for high-heat conditions, and best results at 6,500 RPM with center-fed water.
Key Features
- 1/4 in. non-coring diameter — no plug to clear
- Dry segment matrix for high-heat drilling
- Best at 6,500 RPM with center-fed water
- 5/8 in.-11 thread — angle grinder, drill or pneumatic machine
- Wet or dry use
Not Recommended For
The title scope for this bit stops at porcelain. For Dekton and other ultra-compact panels, use the bit Diamax builds for sintered material at the same diameter: the Diamax Cyclone Ultra Core Bit – 1/4 in., for Dekton, Porcelain & Ultra-Compact.
Who Is This For?
Installers setting anchors, running cable and drilling specialty holes in granite, quartz and porcelain.
Frequently Asked Questions
What is this bit for?
Opening small holes for anchors, screws, cables and specialty jobs — it grinds the full diameter rather than coring a plug.
What materials does it drill?
Granite, quartz (engineered stone) and porcelain or tile.
What speed works best?
Around 6,500 RPM with center-fed water.
Can I use it dry?
Yes. The segment matrix on this line was reformulated for high-heat dry conditions, though water still gives the best hole.