Alpha Contour Blades

Cut granite sink openings, tight curves, and intricate shapes with unmatched precision and control.

Looking for a Diamond Blade Designed Specifically for Curved Stone Cutting?

Alpha Contour Blades are engineered specifically for cutting granite sinkholes, making them one of the industry's most trusted blades for curved cutting applications. Featuring direct-sintered diamond segments on both the cutting edge and the sides of the steel core, these premium contour blades produce clean, accurate cuts while minimizing undercutting and improving maneuverability.

Unlike standard diamond blades, Alpha Contour Blades create a wider kerf that allows the blade to turn more freely through tight radii and curved sink cutouts. This significantly reduces the need for difficult plunge cuts, helping fabricators complete sink openings faster while improving overall cut quality.

Designed for professional stone fabrication, these versatile blades perform exceptionally well on granite, quartzite, engineered stone, and harder varieties of marble. They can be used either wet or dry and fit most common angle grinders, wet stone cutters, and even CNC routers equipped with cutting heads.

What Fabricators Use Alpha Contour Blades For

• Granite sink cutouts
• Curved countertop cuts
• Quartzite fabrication
• Engineered stone fabrication
• Marble sink openings
• Radius cutting
• Inside curve cutting
• CNC router cutting applications

Advantages

• Specifically developed for cutting granite sinkholes
• One of Alpha's best-selling blades for sink cutout applications
• Excellent performance on quartzite and harder natural stones
• Cuts curves cleanly, accurately, and safely
• Wider kerf improves maneuverability
• Direct-sintered diamond segments on both sides of the steel core
• Helps prevent undercutting during curved cuts
• Eliminates difficult and time-consuming plunge cuts
• Fits wet or dry stone cutters
• Compatible with CNC routers equipped with cutting heads
• Wet or dry operation

Specifications

• Available Sizes: 4", 4-1/2", 5", and 6"
• Direct-sintered diamond segment design
• Diamond segments on blade face and cutting edge
• Designed for curved cutting applications
• Wet or dry use
• Fits most common angle grinders and wet stone cutters

Applications

• Granite countertops
• Quartzite countertops
• Engineered stone fabrication
• Natural stone fabrication
• Sink cutouts
• Radius and curved cuts
• Countertop fabrication shops
• CNC routing operations

Why Choose Alpha Contour Blades?

Traditional diamond blades often struggle when cutting tight curves because their narrow kerf limits maneuverability and increases the likelihood of undercutting. Alpha Contour Blades solve these challenges with a specialized blade design that incorporates diamond segments on both sides of the steel core, allowing the blade to cut smoothly through curved sink openings while maintaining excellent stability.

The wider kerf also improves steering through complex curves, making sink cutouts faster, cleaner, and safer while reducing the need for repeated plunge cuts. The result is greater productivity, improved finish quality, and longer blade life.

Whether you're fabricating custom granite countertops or machining engineered stone sink openings, Alpha Contour Blades deliver the precision, durability, and performance professional fabricators rely on every day.

BB Industries carries Alpha bridge saw blades, contour blades, CNC tooling, finger bits, polishing pads, and fabrication supplies trusted by professional stone fabricators throughout North America.

BB Industries has you covered!

Frequently Asked Questions

What are Alpha Contour Blades designed for?

They are specifically engineered for granite sink cutouts, curved countertop cuts, and other intricate curve-cutting applications in natural and engineered stone.

What materials can these blades cut?

Alpha Contour Blades perform exceptionally well on granite, quartzite, engineered stone, and harder varieties of marble.

How do these blades reduce undercutting?

Diamond segments are sintered onto both sides of the steel core, helping support the blade during curved cuts while reducing undercutting—a common issue with standard contour blades.

Can these blades be used wet or dry?

Yes. Alpha Contour Blades are designed for both wet and dry cutting, allowing flexibility for different fabrication environments.

What tools are these blades compatible with?

They fit most angle grinders, wet stone cutters, and CNC routers equipped with cutting heads.

Why do fabricators choose Alpha Contour Blades?

Professional fabricators choose Alpha Contour Blades because they produce clean, accurate curved cuts, improve maneuverability, reduce plunge cutting, and offer exceptional durability across a wide range of countertop fabrication applications.