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Alpha Q-Cut Turbo Rim Diamond Blades
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At a Glance
Quick Decision Guide
Blade Diameter
4-1/2"
Blade Thickness
1.6mm
Maximum RPM
13,200
Cutting Type
Wet/Dry
Arbor
7/8" & 20mm
Tool Compatibility
Stone Cutter & Angle Grinder
Best For
Quartzite, Granite & Porcelain
2cm Porcelain Pavers
Yes
Why Choose This Product
Key Benefits
Hard Stone Cutting
Formulated for quartzite, granite and other difficult materials
Turbo Rim Design
Supports fast and controlled cutting through hard tile and stone
Reduced Chipping
Helps minimize edge damage and material breakage
Precision Cutting
Produces accurate cuts for fabrication and tile installation
Porcelain Paver Ready
Suitable for cutting 2cm porcelain paver tile
Wet/Dry Options
Select 4-1/2" and 5" blades support wet or dry cutting
Multiple Tool Configurations
Models fit tile saws, stone cutters, grinders and demolition saws
Broad Size Range
Available in blade diameters from 4-1/2" through 10"
Product Information
Product Details
Specifications
Brand
Alpha®
Part Number
QZ4578
UPC
749173461897
Product Type
Diamond Blade
Blade Diameter
4-1/2"
Blade Thickness
1.6mm
Maximum RPM
13,200
Cutting Type
Wet/Dry Use
Arbor
7/8", 20mm
Tool Compatibility
Stone Cutter & Angle Grinder
Recommended Materials
Quartzite, Granite, Marble, Engineered Stone & Porcelain Tile
Porcelain Paver Compatibility
2cm Porcelain Paver Tile
Rim Design
Advanced Rim for Reduced Chipping & Breaking
Cutting Performance
Fast, Precision Cutting
About This Product
Turbo Rim Diamond Blades for Quartzite and Granite
Alpha® Q-Cut Turbo Rim Diamond Blades are formulated for cutting quartzite, granite, marble, engineered stone, and porcelain tile. Designed for difficult natural stone and tile, these granite cutting blades combine fast cutting performance with the control needed for accurate fabrication and installation cuts.
Low-Chip Cutting on Hard Tile and Stone
An advanced turbo rim helps minimize chipping and breaking while producing clean, precise cuts through hard materials. Q-Cut blades can also cut 2cm porcelain pavers, making them suitable for demanding stone, tile, and hardscape applications where finished edge quality matters.
Wet and Wet/Dry Cutting Blade Options
The 4-1/2" and 5" grinder blades support wet or dry cutting. The 6", 7", 8", 9", and 10" models are wet blades that require an appropriate water supply during operation.
Saw Blades for Tile Saws, Grinders and Stone Cutters
The 4-1/2" and 5" blades fit compatible stone cutters and angle grinders. The 6" blade works with compatible stone cutters and tile saws, while the 7", 8", and 10" models are tile saw blades. The 9" QZ0978 is configured for compatible electric angle grinders and demolition saws.
Product Resources
Documentation & Downloads
Common Questions
Frequently Asked Questions
What materials can Alpha Q-Cut Diamond Blades cut?
Q-Cut blades cut quartzite, granite, marble, engineered stone, porcelain tile, and 2cm porcelain pavers.
Are Q-Cut blades designed specifically for quartzite?
Yes. Alpha developed the Q-Cut for quartzite and hard granite while also supporting marble, engineered stone, porcelain, and other difficult tile materials.
Do Q-Cut blades use a turbo rim?
Yes. The advanced turbo rim provides fast, controlled cutting while helping reduce chipping and breaking on hard stone and tile.
Can Alpha Q-Cut Diamond Blades be used dry?
The 4-1/2" QZ4578 and 5" QZ0578 blades support wet or dry cutting. The 6", 7", 8", 9", and 10" models are designed for wet cutting only.
What tools are compatible with Q-Cut blades?
The 4-1/2" and 5" blades fit compatible stone cutters and angle grinders. The 6" blade works with stone cutters and tile saws; the 7", 8", and 10" blades fit tile saws; and the 9" blade is intended for compatible electric angle grinders and demolition saws.
Does the Q-Cut blade help reduce chipping?
Yes. Its advanced rim design helps minimize chipping and breaking while producing fast, precise cuts through hard tile and stone.
Can Alpha Q-Cut blades cut porcelain pavers?
Yes. Q-Cut blades are suitable for cutting 2cm porcelain paver tile.
What Alpha Q-Cut blade sizes are available?
This Q-Cut range includes 4-1/2", 5", 6", 7", 8", 9", and 10" blade diameters. Arbor configurations, thicknesses, maximum RPM ratings, and compatible equipment vary by model.