Best Carbon Steel Knife Blades of 2025

Berkling Blades are a set of 100 premium black carbon steel utility knife blades that are laser sharpened and hardened for superior performance. These blades are 3 times sharper and 5 times more durable than regular knife blades, making them perfect for a variety of cutting tasks. With a standard T-shape design and a thickness of 0.6mm, these blades are compatible with most box cutter knives, utility knives, and pocket knives. The ultra-sharp design of the Berkling Blades makes cutting materials such as box, cardboard, rubber, leather, carpet, and PVC much easier. However, it is important to use these blades with caution and keep them away from children.

The Romeda Utility Blades offer high-quality performance, made from SK5 high carbon steel for exceptional hardness and durability. This means you can expect longer-lasting blades that resist rust and deformation, making them ideal for heavy-duty tasks. Their standard size fits most box cutters and folding knives, ensuring easy replacement when needed. With sharp, precisely polished edges, you'll enjoy smooth and efficient cutting for various materials like paper, cardboard, and rope. The convenient packaging includes 100 blades stored in 10 boxes, making it easy to carry and share with others for your DIY projects.

WORKPRO Utility Knife Blades with Dispenser features premium SK5 carbon steel blades with precision-honed edges, providing longer-lasting sharpness. The blades are versatile and fit most utility knives and box cutters. The package includes two handy dispensers made of durable plastic, with one dispenser capable of mounting on the wall for easy access. The dispensers also have a scale to indicate the remaining quantity of blades and a separate compartment for used blades. These all-purpose blades are suitable for cutting various materials, making them perfect for DIY projects.

The ALLWAY RKB5 Utility Knife Blades are a must-have for any DIY enthusiast or professional. These heavy-duty blades are made of high carbon steel, ensuring durability and long-lasting performance. With a thickness of 0.024", they are professionally ground and honed to perfection. The 3-notch design allows for easy installation and a secure fit in all utility knives and scrapers. Whether you're cutting through cardboard, carpet, or other materials, these blades will deliver precise and clean cuts every time. Made in the USA, you can trust the quality and craftsmanship of these utility knife blades. Upgrade your cutting tools with the ALLWAY RKB5 Blades and experience the convenience and efficiency they bring to your projects.

Berkling Utility Knife Blades come in a 50-pack dispenser made of SK2H laser sharpened hardened black carbon steel. These blades are 3x sharper and 5x more durable than regular knife blades and SK5 steel. The standard T-shape blade is a replacement for most box cutter, utility, and pocket knives. The ultra-sharp design makes cutting materials such as cardboard, rubber, leather, carpet, and PVC much easier. The blade is very sharp, so use it carefully, keep it away from children and store it properly.

Fiskars Utility Knife Blades are designed to stay sharp longer, thanks to a special coating that has been tested to resist dulling even with heavy use. You’ll appreciate how these blades remain razor-sharp up to 24 times longer than standard options, making them a reliable choice for various tasks. They fit all standard utility knives, ensuring convenience and compatibility. Plus, their compact container makes it easy to carry a supply in your tool bag or pocket, so you’re always prepared for tasks like trimming wallpaper or cutting cardboard.

Gomake 9mm Utility Knife Replacement Blades are made of high-quality carbon steel material with a 30 degree sharp head. The blades are easy to snap off which keeps them sharp all the time. These multipurpose blades are widely used in offices, factories, and warehouses for industrial applications, hobby, and DIY projects. The black surface design prevents rusting and each blade is 9mm wide. This package includes 2 boxes of blades, with 50 blades in each box, making it easy to store and place.

The Bates Snap-Off Blades are designed for precision and efficiency. Each blade is 9mm wide and features a convenient snap-off design, allowing you to easily replace dull segments with a fresh, sharp edge. Made from high-quality carbon steel, these blades are durable and resistant to rust, making them ideal for various tasks, whether indoors or outdoors. With a 60-degree sharp angle, you can achieve exceptional accuracy for detailed cutting projects, whether you're crafting, working in an office, or handling industrial tasks.

HEIKIO's Utility Knife Blades are heavy duty replacement blades suitable for standard knife blades and box cutters. Made from SK2H black carbon steel, these blades are 0.65mm thick with a 2-side cutting edge design, providing a sturdier and longer-lasting usage experience. The 2-notch design makes blade replacement easy and the ultra-sharp blades can cut through different materials such as cardboard, rubber, leather, carpet, and PVC with ease. The 10 pcs blades come in a storage box for convenient use.

The DIYSELF Razor Blades come in a convenient pack of 200, ensuring you have plenty of blades for all your scraping needs. With a storage case included, you can easily keep your blades organized and protected from damage. Made from high-carbon steel, these blades are designed for strength and durability, allowing you to effectively tackle tough materials like adhesive and paint without losing sharpness. Their versatility means you can use them on various surfaces, making them perfect for home, work, or industrial tasks.