Cutting & Grinding: A Complete Guide

        
            A COMPLETE GUIDE
          
            CUT OFF AND GRINDING DISCS

Spyder® cut-off and grinding discs are engineered for maximum speed, control, and durability on the toughest jobsites. Built with premium abrasive grains and reinforced designs, they slice through metal, masonry, and more—delivering clean cuts, smooth grinds, and fewer wheel changes.

The Spyder Bite™ lineup includes aluminum oxide and ceramic bonded wheels for fast material removal, longer life, and safer operation. Self-sharpening grains, shatter-resistant cores, and quick-change spin-on arbors give pros the edge to cut faster, grind harder, and finish stronger.

Complex Diamond Matrix™

Bond retains the diamond abrasive for extended cutting life

Proprietary Ceramic Abrasive Grain

Self-sharpens during use for consistent performance

Shatter-Resistant Core

Safer, faster, and longer-lasting

Load video: In this video, VCG Construction breaks down common angle grinder wheel mistakes and shows how to choose the right Spyder disc.

Which Grinder Wheel Should You Use? Cut-Off Wheels, Grinding Wheels & Flap Discs Explained

Not sure which grinder wheel or cut-off disc to use? In this video, VCG Construction breaks down common angle grinder wheel mistakes and shows how to choose the right Spyder disc for cutting metal, grinding welds, removing material, and tackling tough jobsite applications.

From cut-off wheels and grinding wheels to flap discs and diamond cut-off wheels, this guide helps explain which disc works best for each job — so users can make cleaner cuts, remove material faster, and get better results from their angle grinder.

Types Of

Cut Off and Grinding Discs

Spyder® Diamond Bite™ Masonry Blades

Professional-grade masonry blades feature a premium Complex Diamond Matrix™ for wet or dry cutting. They easily tackle tough materials like concrete, pavers, roof tiles, and ceramic tile. Available in Segmented, Continuous Turbo, and Continuous styles, they deliver up to 5x more cuts than standard blades.

DIAMOND BITE™

MASONRY BLADES

Complex Diamond Matrix™ Blades are the Professional's Choice for Masonry and Tile.

Diameter Sizes

4", 4-1/2", 7", 10" and 14"

Fast and clean cutting lasts up to 50% longer than standard diamond blades

Fast cutting creates up to 5x more cuts than standard diamond blades

Ultra clean cutting creates up to 3x more cuts than standard diamond blades

Complex Diamond Matrix™

High concentration of premium industrial diamonds bonded in a Complex Diamond Matrix™

Masonry & Pavers

Concrete

Roof Tiles

Tile

Spyder® Diamond Bite™ Grinding Cup

Turbo diamond grinding cups are ideal for profiling pavers, concrete, and masonry materials. It is engineered for heavy-duty performance, allowing you to cut wet or dry depending on project needs. Built to outperform, it grinds cooler, quicker, cleaner, and longer than standard diamond blades.

Spyder® Diamond Bite™ Cut-Off Wheels

Universal cut-off wheels leverage long-lasting diamond abrasive to power through almost any material. They easily cut steel, rebar, masonry, tile, and composites while featuring a shatter-resistant core for maximum safety. Engineered with industrial brazing, they significantly reduce dust and debris while lasting up to 100x longer than conventional wheels.

DIAMOND BITE™ UNIVERSAL

CUT-OFF WHEELS

Long Lasting Diamond Abrasive Powers Through Almost Any Material

Industrial Brazing Operation

Reduces dust and debris for a quick and clean cut

Uniform Diameter

Provides consistent cuts

Shatter-Resistant Core

Built safer—helps reduce the risk of wheel shatter compared to conventional bonded abrasive wheels

Metal

Rebar/Angle Iron

Masonry/Brick

Composites/Fiberglass

Tile

Spyder® Bite™ Ceramic Cut-Off Wheels

Ceramic abrasive cut-off wheels feature a proprietary grain that self-sharpens during use. Their ultra-thin .045" kerf maximizes battery life on cordless tools and extends performance on corded models.

Engineered for fast cuts on steel, stainless steel, and cast iron, they are available in Type 1 for straight cutting and Type 27 for flush cuts.

BITE™ CERAMIC ABRASIVE

CUT-OFF WHEELS

Proprietary Ceramic Abrasive Self-Sharpens During Use

Fast Cuts

On mild steel, stainless steel, ferrous metal and cast iron

Thin .045" Kerf

More cuts per charge on battery-operated tools and extended performance on high-torque corded tools

Type 1

For straight cutting

Type 27

Depressed center-profile for flush cuts

Metal

Spyder® Bite™ Aluminum Oxide Cut & Grind Wheels

Grinding wheels utilize premium aluminum oxide abrasive to provide fast material removal and a long service life. Their reinforced design ensures efficient performance on cordless tools and extended durability on high-torque corded models. Engineered with a Type 27 depressed center-profile for offset grinding, they deliver fast, clean results on steel and cast iron.

BITE™ ALUMINUM OXIDE

GRINDING WHEELS

Premium Aluminum Oxide Abrasive Provides Fast Material Removal and Long Service Life

Reinforced Design

Delivers faster material removal on battery-powered tools and longer-lasting performance on high-torque corded models

Type 27

Depressed center-profile for offset grinding

Fast Cuts & Quick Removal

On mild steel, stainless steel, ferrous metal and cast iron

Metal

Spyder® Bite™ Ceramic Abrasive Flap Discs

Ceramic flap discs feature a premium layered design that grinds fast under high pressure and polishes under low pressure. The flexible flaps easily conform to irregular surfaces while removing up to 6x more material than standard grinding wheels on steel and cast iron. They are available in 36, 60, and 80 grits for everything from rapid stock removal to ultra-smooth finishing, and include a 5/8-11 spin-on arbor.

BITE™ CERAMIC

FLAP DISCS

Premium Ceramic Layered Flap Design Grinds and Polishes

36 Grit

60 Grit

80 Grit

5/8-11 Spin-On Arbor

Up to 2x faster to install than conventional 7/8" angle grinder nuts

Layered Flap Design

Flexes to conform to irregular work surfaces

Metal

Spyder® Cut Off & Grinding Accessories

Spyder® cut-off and grinding accessories are engineered to maximize the efficiency and versatility of your angle grinder. From durable grinder wrenches to essential mounting hardware, these professional-grade components ensure secure installations and smooth operation. Designed for heavy-duty use, they provide the reliable support needed to keep your cutting and grinding projects running safely and efficiently.