Diamut Black Storm HYS Finger Bit

The Diamut Black Storm HYS Finger Bit is an excellent tool for cutting tough materials like Engineered Stone, Granite, and Quartzite with your CNC machine. Engineered to handle high speeds and the most challenging materials, the Black Storm HYS ensures faster, more efficient results, making your work more productive and successful.

Features of Diamut Black Storm HYS Finger Bit

• Seven‑sector spiral cutting design ensures efficient chip clearance and stable cutting action.
• Medium bond grit (D427) tailored for high-speed operations on engineered stone and granite.
• Standard 22 mm diameter with options for 35 mm, 45 mm, or 65 mm useful cutting lengths to suit varied CNC routines.
• ½″ GAS thread shank connection for quick tool changes in CNC spindles.
• Optimized high-rpm feed compatibility, supporting feed rates up to 700 mm/min on engineered stone and 400 mm/min on hard granite.
• Broad material applicability: engineered stone, granite, quartzite, and agglomerates.

Advantages of Diamut Black Storm HYS Finger Bit

• Blazing fast feed capability: 700 mm/min frees up valuable machine time.
• One tool across multiple materials: engineered stone, granite, quartzite.
• Consistent edge quality: spiral design ensures smooth, chipping‑free results.
• Fewer tool changes: compatible with a range of depth needs thanks to multiple lengths.
• Durable under load: optimized bond resists wear under sustained high RPMs.

CNC Tooling

“Hard Rock Tool is THE go-to for all things stone. This store is for the professional tile installer and stone restorer. All the tools you’ll ever need and more. They also carry the StonePro line of products. For the professional or do-it- yourselfer, they have the products and expertise to show you how to succeed with your project. ” ~ Jason H.