Best Diamond Blades for Cast Iron of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 11 Feb 2025

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Diamond blades for cast iron are high-quality cutting tools designed to efficiently and accurately cut through cast iron materials. These blades are made of industrial-grade diamonds, which are extremely hard and durable, allowing them to cut through even the toughest cast iron with ease. They are suitable for use in a variety of cutting applications, including plumbing, construction, and metalworking. With their precision and reliability, diamond blades for cast iron are an excellent choice for anyone looking to complete a cast iron cutting project quickly and efficiently.

At a Glance: Our Top Picks

Bosch Expert Diamond Cutting Disc for Metal Cover #TOP 1
Bosch Expert Diamond Cutting Disc for Metal
ftb score rating icon 9.9
SabreCut 115mm Vacuum Brazed Diamond Disc Cover #TOP 2
SabreCut 115mm Vacuum Brazed Diamond Disc
ftb score rating icon 9.8
SabreCut Vacuum Brazed Diamond Cutting Disc Cover #TOP 3
SabreCut Vacuum Brazed Diamond Cutting Disc
ftb score rating icon 9.6

Top 10 Diamond Blades for Cast Iron

#TOP 1

Bosch Expert Diamond Cutting Disc for Metal

2608900531
Ø 105 mm
Bosch Expert Diamond Cutting Disc for Metal Cover
Bosch Professional 1x Expert Diamond Metal Wheel Cutting Disc (for Cast iron, Ø 105 mm, Accessories Small Angle Grinder, Marble Cutter)

The Bosch Diamond Cutting Disc offers exceptional longevity, lasting up to 50 times longer than traditional bonded cutting discs. Its durable cutting edge, crafted using Bosch Diamond Technology, ensures efficient and precise cuts. With a 20 mm bore, it is perfect for use with marble cutters. This disc is ideal for cutting through materials such as cast iron, rebar, and various types of steel, providing you with a reliable tool for your metalworking needs.

What We Like
Long-lasting performance
Durable cutting edge
Versatile material compatibility
Easy to use with marble cutters
#TOP 2

SabreCut 115mm Vacuum Brazed Diamond Disc

VBSC115ME
Black
SabreCut 115mm Vacuum Brazed Diamond Disc Cover
1 x SabreCut VBSC115ME 115mm (4.5 inch) x 22.23mm Bore Vacuum Brazed Metal Cutting Angle Grinder Circular Saw Diamond Disc Blade

The SabreCut Diamond Disc is an essential tool for anyone needing to cut through tough metals. Its vacuum brazed design allows you to tackle both ferrous and non-ferrous materials, including mild steel and aluminium, without the need for water cooling. The high concentration of industrial-grade diamonds ensures excellent performance and longevity, giving you confidence in your cutting tasks. Whether you are a professional or a DIY enthusiast, this disc is designed for a wide range of applications, making it a versatile addition to your toolkit.

What We Like
High durability and performance
No water cooling required
Compatible with major brands
Suitable for various metals
#TOP 3

SabreCut Vacuum Brazed Diamond Cutting Disc

VBSC115MU
Black
SabreCut Vacuum Brazed Diamond Cutting Disc Cover
1 x SabreCut VBSC115MU 115mm (4.5 inch) x 22.23mm Bore Vacuum Brazed Multi Material Cutting Angle Grinder Circular Saw Diamond Disc Blade

The SabreCut Diamond Blade is an exceptional cutting tool designed for versatility and high performance. It effortlessly cuts through tough materials such as wood, metal, and masonry, making it ideal for both professionals and DIY enthusiasts. You will appreciate the durability provided by its high concentration of industrial-grade diamond formula, ensuring long-lasting use. Additionally, this blade requires no water cooling while cutting, simplifying your workflow and allowing for a smoother experience.

What We Like
Versatile cutting capabilities
High durability and performance
No need for water cooling
Compatible with various circular saws
#TOP 4

SabreCut 125mm Multi Material Cutting Disc

VBSC125MU
Black
SabreCut 125mm Multi Material Cutting Disc Cover
1 x SabreCut VBSC125MU 125mm (5 inch) x 22.23mm Bore Vacuum Brazed Multi Material Cutting Angle Grinder Circular Saw Diamond Disc Blade

The SabreCut Cutting Disc is a versatile tool designed for cutting through tough materials like wood, metal, and reinforced concrete. This diamond disc uses a high concentration of industrial-grade diamonds, ensuring you experience outstanding performance and durability. You won’t need water cooling during cuts, making it incredibly convenient for both professional and DIY projects. Additionally, it is compatible with popular brands like Dewalt and Makita, allowing you to easily integrate it into your existing tools.

What We Like
High durability and performance
No water cooling needed
Compatible with popular brands
Handles multiple materials
#TOP 5

Raizi 115mm Diamond Cutting Disc for Metals

120037
115mm
Raizi 115mm Diamond Cutting Disc for Metals Cover
Raizi 115mm Professional Diamond Metal Cutting Disc Blade for Steel Cast Iron Rebar Aluminium

The Raizi Diamond Cutting Disc offers exceptional performance for various metal cutting tasks. With a diameter of 115mm and a thickness of 1.3mm, it provides precise cuts. The high-quality diamond ensures extreme durability, lasting up to 30 times longer than standard discs. You will appreciate the new vacuum brazed technology, which keeps diamond particles firmly attached for consistent cutting results. Additionally, its solid metal body enhances safety during use, allowing you to work with confidence on steel, stainless steel, cast iron, rebar, and more.

What We Like
Extreme durability
Vacuum brazed technology
Solid metal body
Versatile for various metals
#TOP 6

SabreCut 230mm Vacuum Brazed Diamond Disc Blade

VBSC230MU
Black
SabreCut 230mm Vacuum Brazed Diamond Disc Blade Cover
1 x SabreCut VBSC230MU 230mm (9 inch) x 22.23mm Bore Vacuum Brazed Multi Material Cutting Angle Grinder Circular Saw Diamond Disc Blade

The SabreCut Diamond Disc Blade is a versatile cutting tool designed to tackle tough materials like wood, metal, and reinforced concrete. Its high concentration of industrial-grade diamonds ensures exceptional performance and durability, making it ideal for both professional tradespeople and DIY enthusiasts. You will appreciate the convenience of not needing water cooling while cutting, allowing for a smoother operation. This blade is compatible with various popular circular saw brands, ensuring you can easily integrate it into your existing toolkit.

What We Like
High performance and durability
No water cooling needed
Compatible with popular saws
Versatile for multiple materials
#TOP 7

Vearter 150mm Diamond Cutting Disc for Metal

HLQHJP-150MM
Red&Blue
150mm
Vearter 150mm Diamond Cutting Disc for Metal Cover
Vearter 150mm Diamond Cutting Disc Wheel, 6X7/8Inch for Stainless Steel, Cast Iron, Aluminum, Brass, Metal Cutting, can Cut More Than 4000 Times

The Vearter Diamond Cutting Disc offers exceptional performance with its innovative Vacuum Brazed Technology, ensuring that the diamond grains are securely bonded to the steel core. This means you can enjoy over 4,000 cuts with much lower costs per cut compared to traditional bonded cut-off wheels. The precise cutting performance guarantees accuracy and stability, making your tasks easier and more efficient. Additionally, the robust steel wheel body enhances safety by significantly reducing the risk of breakage and injury during use.

What We Like
Long-lasting cutting performance
Safe and robust construction
Cost-effective for metal cutting
Maintains precise cutting control
#TOP 8

SabreCut 125mm Vacuum Brazed Diamond Blade

5060705324776
Black
SabreCut 125mm Vacuum Brazed Diamond Blade Cover
1 x SabreCut VBSC125ME 125mm (5 inch) x 22.23mm Bore Vacuum Brazed Metal Cutting Angle Grinder Circular Saw Diamond Disc Blade

The SabreCut Diamond Blade is a high-performance cutting tool designed for both professionals and DIY enthusiasts. It easily cuts through tough materials, including mild steel, aluminium, and cast iron, providing you with versatility for various projects. The blade features a high concentration of industrial-grade diamonds, ensuring durability and longevity. You will appreciate the convenience of using this blade without the need for water cooling, making your cutting tasks simpler and more efficient.

What We Like
High-performance cutting tool
Durable industrial-grade diamonds
No water cooling required
Compatible with major brands
Versatile for various materials
#TOP 9

Trintion 50Pcs 4.5" Metal Cutting Wheels

WB-93
Trintion 50Pcs 4.5" Metal Cutting Wheels Cover
Trintion 50Pcs Thin Cutting Wheel 4.5" Diamond Blades Metal Cut Off Wheels Discs Stainless Steel Angle Grinders Cutting Discs 115mm

The Trintion 4.5" Cutting Wheels are designed for efficient metal cutting. Made from durable stainless steel, these ultra-thin discs ensure a long service life, providing you with excellent value. Their fast-cutting formulation allows you to tackle metals and stainless steel with ease. You will appreciate how the ultra-thin design minimises material loss, giving you precise and clean cuts. These tough abrasive discs are perfect for cutting a variety of materials, making them a versatile addition to your toolkit.

What We Like
Durable stainless steel construction
Fast and precise cutting
Minimal material loss
Versatile for various metals
Ideal for angle grinders
#TOP 10

SabreCut 115mm Diamond Cutting Disc Blades

VBSCK115
Black
SabreCut 115mm Diamond Cutting Disc Blades Cover
2 x SabreCut VBSCK115 115mm (4.5 inch) x 22.23mm Bore Vacuum Brazed Metal and Multi Material Cutting Angle Grinder Saw Diamond Disc Blades

The SabreCut Diamond Blades are a versatile cutting solution, perfect for tackling tough materials like wood, metal, and reinforced concrete. Their high concentration of industrial-grade diamonds ensures exceptional performance, making your cutting tasks easier and more efficient. You will appreciate that these blades do not require water cooling, allowing for a straightforward and hassle-free cutting experience. Designed for both professionals and DIY enthusiasts, they are compatible with popular circular saw brands, ensuring you can achieve precise cuts with ease.

What We Like
High-performance cutting
No water cooling needed
Durable and long-lasting
Compatible with major brands
Versatile for multiple materials
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can you use a diamond blade on cast iron?

A diamond reciprocating saw blade is used to cut through brick, tile and cast iron, reveals Family Handyman. The blade is 8 inches long, 3/4 inch wide and roughly 0.04 inches thick. The narrow kerf design of the blade creates a thinner cut, consequently cutting the cast iron in a quicker amount of time.

2. Is diamond blade good for metal?

Will Diamond Blades Cut Metal? Yes, certain diamond blades can cut through metal, but this will depend entirely on the blades application. Most diamond blades are used to cut through concrete, brick, tile, and asphalt.

3. What are diamond tipped blades used for?

Diamond blades designed for specific uses include marble, granite, concrete, asphalt, masonry, and gem-cutting blades. General purpose blades are also available.

4. What are the 3 types of blades?

For cutting wood, circular saw blades are available in three primary styles: rip, crosscut, and combination. The distinction is based on tooth form and gullet size.

Editor's Notes

During our diamond blade for cast iron research, we found 29 diamond blade for cast iron products and shortlisted 10 quality products. We collected and analyzed 6,090 customer reviews through our big data system to write the diamond blades for cast iron list. We found that most customers choose diamond blades for cast iron with an average price of £16.42.

The diamond blades for cast iron are available for purchase. We have researched hundreds of brands and picked the top brands of diamond blades for cast iron, including Bosch, SabreCut, Raizidom, Vearter, Trintion.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.