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Alpha Q-Cut Diamond Blades for Quartzite, Granite & Porcelain
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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 Material Cutting
Formulated for quartzite, granite and other difficult tile and stone
Reduced Chipping
Advanced rim helps minimize chipping and breaking during cutting
Precision Cuts
Designed for fast, accurate cutting of hard stone and porcelain
Porcelain Paver Ready
Suitable for cutting 2cm porcelain paver tile
Multiple Tool Options
Available for compatible tile saws, stone cutters, grinders and demolition saws
Wet/Dry Options
Select 4-1/2" and 5" models support both wet and dry cutting
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
Diamond Blade for Quartzite and Hard Stone Tile
The Alpha® Q-Cut is a diamond blade developed for cutting hard materials including quartzite, granite, marble, engineered stone, and porcelain tile. Designed for tile installers and fabrication shops working with difficult natural stone and tile, the blade combines fast cutting performance with the control needed for accurate cuts.
Precision Cutting with Reduced Chipping
An advanced rim design helps reduce the risk of chipping and breaking while producing precise cuts in hard tile and stone. The Q-Cut is also suited for cutting 2cm porcelain pavers, making it a versatile blade for demanding tile and stone applications where edge quality matters.
Sizes for Tile Saws, Stone Cutters and Grinders
Q-Cut blades are available from 4-1/2" through 10" for use with compatible tile saws, stone cutters, angle grinders, and demolition saws. The 4-1/2" and 5" models support wet or dry cutting, while the 6", 7", 8", and 10" models are designed for wet cutting only.
Product Resources
Documentation & Downloads
Common Questions
Frequently Asked Questions
What materials can the Alpha Q-Cut diamond blade cut?
The Alpha® Q-Cut is designed for cutting hard materials including quartzite, granite, marble, engineered stone, and porcelain tile. It is also suitable for 2cm porcelain paver tile.
Is the Alpha Q-Cut designed specifically for quartzite?
Yes. Alpha developed the Q-Cut specifically for cutting quartzite and hard granite while also supporting other natural stone, engineered stone, and porcelain applications.
Does the Q-Cut blade help reduce chipping?
Yes. Its advanced rim design is intended to reduce the risk of chipping and breaking while providing fast, precise cuts in hard tile and stone.
Can the Alpha Q-Cut be used for dry cutting?
The 4-1/2" QZ4578 and 5" QZ0578 models are rated for wet or dry use. The 6", 7", 8", 9", and 10" models are designed for wet cutting only.
Which Q-Cut sizes are designed for tile saws?
The 6" QZ0658 can be used with compatible stone cutters and tile saws. The 7" QZ0758, 8" QZ0858, and 10" QZ1058 models are specified for tile saw use.
Can the Alpha Q-Cut cut 2cm porcelain pavers?
Yes. Alpha identifies the Q-Cut as suitable for cutting 2cm porcelain paver tile.
What sizes are available for the Alpha Q-Cut?
The Q-Cut is available in 4-1/2", 5", 6", 7", 8", 9", and 10" blade diameters. Arbor, thickness, maximum RPM, and compatible equipment vary by blade size.