This is the set of bits for the inside of the sink. 2 and 3 cm 1/2 gas

Diamut 1/2″ Gas Sink Cut-Out Bits
Engineered for precision and durability, Diamut 1/2″ Gas Bits are designed specifically for sink cut-out applications in granite, quartz, and other stone surfaces. Featuring a 1/2″ gas thread connection, these high-performance diamond tools deliver smooth, accurate cuts with minimal chipping. Ideal for CNC machines, they ensure fast, efficient shaping and long-lasting performance in demanding fabrication environments.

Key Features:

• Precision-balanced for smooth operation

• Optimized diamond matrix for fast cutting and extended life

• Compatible with CNC and automated fabrication equipment

• Ideal for granite, quartz, marble, and engineered stone