Best Cast Iron C-Clamps of 2025

The WEN CLC630 Heavy-Duty Cast Iron C-Clamps come in a set of two with a 6-inch jaw width and a 2.75-inch throat. Made from robust cast iron, these clamps are ideal for both metalworking and woodworking, and have a smooth black oxidized finish to prevent rusting. The low-resistance screw threading helps to minimize binding and sticking during operation, and each clamp measures 11 x 5.8 x 1.4 inches.

The WEN CLC322 Heavy-Duty Cast Iron C-Clamps come in a pack of two and boast a 3-inch max jaw width and a 2-inch throat, making them perfect for metalworking and woodworking. Made with heavy-duty malleable cast iron and a smooth black oxidized finish, these clamps feature low-resistance screw threading that minimizes binding and sticking during operation. Each clamp measures 6.5 x 4 x 1 inches.

The WEN CLC108 C-Clamps feature a maximum jaw width of 1-inch and a 0.8-inch throat, perfect for metalworking and woodworking. Made from heavy-duty malleable cast iron, these clamps have a smooth black oxidized finish and low-resistance screw threading to minimize binding and sticking. This pack includes four C-clamps, each measuring 2.95 x 2 x 0.7 inches.

The WEN CLC424 Heavy-Duty Cast Iron C-Clamps come in a pack of two and feature a 4-inch jaw opening and a 2.2-inch throat, making them suitable for both metalworking and woodworking. They are made from heavy-duty malleable cast iron with a smooth black oxidized finish, and their low-resistance screw threading minimizes binding and sticking during operation. Each clamp measures 8.25 x 4.3 x 1 inches.

The WEN CLC212 C-Clamps are perfect for metalworking and woodworking projects. Each clamp features a 2-inch max jaw width, a 1.2-inch throat, and is made of heavy-duty malleable cast iron with a black oxidized finish. The low-resistance screw threading minimizes binding and sticking, making it easy to operate. This pack includes four 4.25 x 2.4 x 0.75 inch C-clamps.

The WEN CLC833 are heavy-duty C-clamps made of malleable cast iron with an 8-inch jaw width and 3.4-inch throat. The low-resistance screw threading ensures smooth operation and minimum binding. They are perfect for both metalworking and woodworking, measuring 13.4 x 6.1 x 1.2 inches.

The Olympia Tools C-Clamps are made from heavy-duty cast iron, ensuring they can handle tough jobs without deforming the clamped object. With a 1-inch jaw opening and throat, these clamps are perfect for use in your home, garage, or woodshop. The ergonomic design allows you to work comfortably for extended periods, while the high friction steel frame provides a reliable grip to prevent slippage. Additionally, the sliding T-handle design offers smooth adjustments, reducing hand fatigue and making clamping tasks easier than ever.

The GROZ C-Clamp is a heavy-duty tool made from SG Iron with a tensile strength of over 60,000 PSI, ensuring durability and reliability. Its steel main screw features ACME threads for smooth operation, allowing you to securely hold parts during woodwork, metalwork, or automotive tasks. The swiveling pad applies even pressure on the workpiece, while the textured powder-coated finish and black oxide spindle increase resistance to corrosion, making it ideal for various metal and woodworking applications.

The Zeromall C-Clamp Set features a durable cast iron construction that resists wear and rust, making it a reliable choice for various projects. With a 1-inch jaw opening and a 0.8-inch throat depth, these clamps can easily hold materials together, whether you’re woodworking, welding, or building. The non-slip design includes a floating swivel jaw pad that adapts to different surfaces without leaving marks. Additionally, the ergonomic T-shaped handle helps reduce effort, allowing you to work more efficiently and comfortably.

The MYFAMIREA C Clamp Set is a versatile and durable tool that is perfect for various applications. It features an adjustable jaw with a maximum opening of 6.34 inches and a clamping force of 1350 pounds, allowing you to securely hold your workpieces in place. The heavy-duty solid cast iron construction with a bright galvanized finish ensures the clamps are rugged and long-lasting. The coated surface of the clamps prevents rust and protects them from moisture, while the floating swivel jaw pad provides stability on different surfaces. The long T-shaped sliding handle offers maximum torque and strong clamping force, reducing hand fatigue. Whether you're working on woodworking, metalworking, welding, or construction projects, the MYFAMIREA C Clamp Set is an indispensable tool that will make your work easier and more efficient.