CUBYH114 CNC Core Drill Bit

The CUBYH114 is a 1‑1/4″ CNC core drill bit with a 1/2″ gas male thread, designed for precision hole cutting in ultra‑compact materials such as porcelain, engineered stone, granite, and marble. It’s built with diamond segments and a tapered design for clean, fast holes when used on CNC machines, especially with water for cooling.

1 1/4" Cyclone Ultra Dry Thin Wall CNC 1/2" Gas 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

1‑1/4″ Diamond Core Diameter

Ideal size for medium holes in stone and compact surfaces.

1/2″ Gas Male Thread

Easy mounting on CNC machines or tooling spindles.

T‑Segment Diamond Design

Delivers clean, accurate hole cutting with reduced segment loss.

Thin Tapered Segments

Help achieve smooth hole edges and minimal chipping.

Wet Cutting Only

Use with water to cool the tool and extend bit life.

Specifications

Item & Performance Table