China Custom 3 Inch Cut Off Disc Manufacturers Suppliers Factory - Wholesale Service

What is 3 Inch Cut Off Disc?

3 inch cut off disc is a highly efficient tool specifically designed for cutting hard materials such as metal, stone, and ceramics. It is suitable for use with angle grinders, cutting machines, and other equipment. Made from high-quality alumina or silicon carbide and reinforced with high-strength fiber mesh technology, it ensures that the cutting disc is less likely to break during high-speed operation, providing a longer service life and greater stability. Its ultra-thin design (only 1-1.2mm thick) enables precise cutting, reduces material waste, and improves work efficiency. It is widely used in fields such as automotive repair, building decoration, and industrial manufacturing.

This product complies with international safety standards (ISO 9001 certified), featuring rapid heat dissipation and minimal sparks during the cutting process, effectively reducing operational risks. The surface is treated with a special coating process, further enhancing its wear resistance and anti-clogging performance, making it suitable for continuous high-intensity operation scenarios. Multiple specifications are available for selection, and customized requirements are supported to meet the diverse application needs of purchasers from different industries.

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Why Choose Us

Rich Experience

Rich 10-year industry experience, and a professional and mature team ensure that we can provide meticulous and professional services.

Broad Market

We Our products are exported to America, Middle East, Southeast Asia etc regions and sold well in big markets of China.

Professional Solution

With rich experience and one-to-one service, we can help you choose products and answer questions.

Good Service

High-quality after-sales service, tracking usage, and positive feedback. Rapid response within 24 hours.

Company Certification

We are committed to diligent work and continuous technical innovation" The products have received certifications for CE EN12413:2019 and ISO 9001:2018 international quality management systems.

Key Features Of 3 Inch Cut Off Disc

Material

Abrasive Materials: Cutting discs are typically made from materials like aluminum oxide, zirconia alumina, silicon carbide, or diamond. These materials are chosen for their hardness and ability to cut through tough materials.

Bonding Agents: The abrasive particles are bonded together using materials like resin, ceramic, or metal. Resin bonds are common for general-purpose cutting discs, while metal bonds are used for more durable applications.

Design

Thin Profile: Cutting discs are usually thin to allow for precise and clean cuts.

Segmented or Continuous Rim: Some cutting discs have a segmented rim with gaps (gullets) for better cooling and debris removal, while others have a continuous rim for smoother cuts.

Specifications

Diameter: Common sizes include 3 inches, 4 5 inches, and 9 inches.

Thickness: Thickness can vary from 0.045 inches to 0.060 inches or more, depending on the application.

Arbor Hole: The center hole size is typically 7/8 inch or 5/8 inch, depending on the tool.

Max RPM: The maximum revolutions per minute (RPM) rating ensures safe and efficient operation.

Products Description

Product Name	3 Inch Diamond Aluminum Cut Off Wheel Abrasive Metal Cutting Wheel Disc for Steel
Size	3 Inch
Inne Hole	20mm
Color	Black/brown/green
Material	Aluminium Oxide
Feature	1. Ideal for Metal Sheet, Aluminum, Steel, Wood, Platics. Made for DIY projects. 2. Fast and precise cutting performance with a minimal burr and reduced material waste. 3. More stubborn and harder than plain white alundum grain. 4. Longer using life enhanced thickness. 5. Compatible with 3 Inch portable die grinders.

Types of 3 Inch Cut Off Disc

Cutting Discs with Phenolic Resin

This type of disc is one of the most popular due to its ability to make fast, clean cuts. The discs are made with a phenolic resin that binds the abrasive grains together, resulting in a high cut rate and minimal material waste.

Metal Cutting Discs

These discs are specifically designed for cutting metals. They are made from either aluminum oxide or zirconium alumina, allowing them to withstand high temperatures and maintain a sharp cutting edge for extended periods. They are ideal for industrial applications where high cutting speed and durability are required.

Diamond Cutting Discs

They incorporate diamond particles in their composition, making them ideal for cutting extremely hard materials such as stone, tiles and concrete. These discs offer a much longer lifespan compared to other types of discs and provide precise and uniform cuts.

Silicon Carbide Cutting Discs

They are designed to cut non-ferrous materials such as stone, glass, and concrete. Silicon carbide is extremely hard and sharp, allowing these discs to effectively cut through hard materials.

Steps To Install A 3 Inch Cut Off Disc

Prepare the Grinder

Unplug or Remove Battery: Ensure the angle grinder is not powered on. Unplug it from the power source or remove the battery to prevent accidental startup.

Secure the Grinder: Place the grinder on a stable surface or clamp it down to prevent it from moving during the process.

Remove the Old Disc

Press the Spindle Lock: If your grinder has a spindle lock, press and hold it to immobilize the spindle.

Loosen the Nut: Use a wrench or spanner to loosen the nut that holds the cutting disc in place. Turn the nut counterclockwise.

Remove the Nut and Disc: Once the nut is loose, remove it and carefully take off the old cutting disc.

Inspect the Grinder

Check for Damage: Inspect the grinder's spindle and nut for any signs of damage or wear. Address any issues before proceeding.

Install the New Disc

Align the New Disc: Place the new cutting disc onto the spindle, ensuring it is seated firmly and securely.

Secure the Nut: Replace the nut and tighten it by hand first. Then, use the wrench to secure the nut fully.

Avoid Overtightening: Ensure the nut is snug but avoid overtightening, which can damage the disc or the grinder.

FAQ

Q: What is the use of a cutting disc?

A: What are cutting discs? Cutting discs are used for cutting through various types of metal and other dense building materials such as metals and plastics for fast and straight cuts. They should be replaced regularly to maintain an efficient cutting edge as well as improve the safety of the user.

Q: What is a 3 inch cut-off tool used for?

A: High-speed rotation, 3" (75mm) heavy-duty air cut off tool is widely used in a variety of applications, great for cutting steel rods, metal plate, fiberglass, composite materials, angle iron.

Q: How long do cutting discs last?

A: You'll usually see an expiry date printed on the centre ring of the disc, formatted in month and year (eg. 03/2022). Smaller or ringless discs may have the date printed on the packaging, disc label or even on the disc itself, and will be a maximum of 3 years from their manufacturing date.

Q: What is the purpose of a cut off disc?

A: Often cutting discs, also known as cut-off wheels, are made from a solid abrasive disc. These discs are often used for cutting metal; they are composed of an abrasive mix of grit and adhesive that is formed into a thin, rigid disc with fiber webbing running through it for strength.

We're professional 3 inch cut off disc manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale custom made 3 inch cut off disc from our factory.

Cut Off Disc for Angle Grinder, Cut Off Disc For Drill