Product Description
The Venom CNC Diamond Finger Bit D20×40T with 1/2" Gas (G) connection is designed for precision CNC machining where controlled material removal and smooth tracking are essential.
Built for quartz, quartzite, granite, and hard natural stone, this 20mm diameter finger bit offers excellent balance between cutting control and efficiency. The 40mm cutting height makes it ideal for sink cutouts, internal shaping, and incremental milling where stability and accuracy matter more than oversized aggressive removal.
Engineered with premium diamond segments and a reinforced steel body, the D20×40T delivers consistent cutting performance, reduced vibration, and dependable tool life in professional stone fabrication environments.
The 1/2" Gas (G) thread ensures secure mounting and precise alignment for CNC bridge saws and 5-axis machining centers.
Designed for fabricators who want clean, controlled CNC machining with reliable performance every pass.
Materials Used On
• Quartz
• Quartzite
• Granite
• Hard natural stone
Recommended CNC Applications
• Sink cut-outs
• Incremental milling
• Pocket milling
• Internal shaping
• Radius and inside corner work
• Controlled material removal
Key Features & Benefits
• 20mm diameter for precision control and smooth tracking
• 40mm cutting height for versatile CNC machining
• Premium diamond segments for long tool life
• Reinforced steel body reduces vibration
• Stable cutting performance on hard materials
• Designed for professional CNC stone fabrication
Technical Specifications
• Tool Type: CNC Diamond Finger Bit
• Diameter: 20mm (D20)
• Cutting Height: 40mm (40T)
• Connection: 1/2" Gas (G)
• Technical Notation: D20×40T × 1/2" G
• Machine Type: CNC Bridge Saw & 5-Axis CNC Machines
• Cooling: Wet use recommended
Available Sizes
• D20×40T × 1/2" G
• D25×50T × 1/2" G
