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RUBI Red Cobra Diamond Blades (4" - 12")
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At a Glance
Quick Decision Guide
Blade Diameter
4"
Arbor Size
5/8" & 7/8"
Rim Height
1/4"
Blade Thickness
1/16"
Usage
Dry
Blade Design
J-Slot
Materials
Tile, Glass & Natural Stone
Construction
Laser Welded
Why Choose This Product
Key Benefits
Reduced Vibration
J-Slot design improves stability when cutting delicate materials
Stable Cutting
Thicker blade center helps reduce vibration and wobble
Broad Material Range
Cuts porcelain, ceramic, glass, marble, granite and natural stone
Premium Construction
Laser-welded design provides a strong blade-to-segment connection
Multiple Sizes
Available from 4" through 12" for different cutting equipment
Arbor Compatibility
Multiple arbor configurations accommodate compatible saws and grinders
Product Information
Product Details
Specifications
Brand
RUBIĀ®
Part Number
31950
UPC
8413797319507
Product Type
Diamond Blade
Blade Diameter
4"
Blade Design
J-Slot
Arbor Size
5/8" & 7/8"
Rim Height
1/4"
Blade Thickness
1/16"
Usage
Dry
Compatible Materials
Porcelain, Ceramic, Glass, Marble, Granite & Natural Stone
Vibration Control
J-Slot Design & Thicker Center
Construction
Laser Welded
About This Product
Premium Diamond Blade for Tile and Natural Stone
RUBIĀ® Red Cobra Diamond Blades are premium blades for cutting porcelain, ceramic, glass, marble, granite, and natural stone. The blade design is suited for clean cutting of delicate and dense materials.
J-Slot Design for Reduced Cutting Vibration
The J-Slot design reduces vibration during cutting, while the thicker blade center helps minimize wobbling. This added stability supports controlled cuts when working with materials where edge quality matters.
Laser-Welded Construction
Strong laser welding provides a durable connection between the diamond rim and blade body. Select sizes include multiple arbor compatibility for use with compatible cutting equipment.
Common Questions
Frequently Asked Questions
What materials can RUBI Red Cobra Diamond Blades cut?
Red Cobra blades are recommended for cutting porcelain, ceramic, glass, marble, granite, and natural stone.
What does the J-Slot design do?
The J-Slot design reduces vibration during cutting, providing greater stability when working with hard and delicate materials.
Are RUBI Red Cobra blades for wet or dry cutting?
The 4" and 4-1/2" blades are listed for dry cutting. The 7", 8", 10", and 12" blades are listed for wet cutting.
How does the reinforced center improve cutting?
The thicker center helps reduce blade vibration and wobble, improving stability during cutting.
What arbor sizes are available?
Arbor size varies by blade diameter. The 4", 4-1/2", and 7" blades support 5/8" and 7/8" arbors, the 8" and 10" blades support 5/8" and 1" arbors, and the 12" blade has a 1" arbor.