Best Cast Iron C-Clamps of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 13, 2026

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Cast iron C-clamps are an ideal tool for those who need to hold workpieces securely in place during a variety of different applications. These clamps are made from high-quality cast iron, which ensures their durability and longevity. They feature a screw mechanism that allows for easy adjustment and tightening, and their sturdy construction ensures that they can withstand even the most heavy-duty applications. These clamps are available in a range of sizes to suit different needs, and are an essential tool for any workshop or DIY enthusiast.

At a Glance: Our Top Picks

Olympia Tools Heavy Duty C-Clamps Cover #TOP 1
Olympia Tools Heavy Duty C-Clamps
ftb score rating icon 9.8
WEN CLC108 Heavy-Duty Cast Iron C-Clamps Cover #TOP 2
WEN CLC108 Heavy-Duty Cast Iron C-Clamps
ftb score rating icon 9.7
PONY Malleable Iron C-Clamp Set, 3-Piece, Orange Cover #TOP 3
PONY Malleable Iron C-Clamp Set, 3-Piece, Orange
ftb score rating icon 9.5

Top 7 Cast Iron C-Clamps

#TOP 1

Olympia Tools Heavy Duty C-Clamps

38-130-3PC
Silver
3inch
Olympia Tools Heavy Duty C-Clamps Cover
Olympia Tools Heavy Duty Cast Iron C-Clamps with 3-Inch Jaw Opening and 2-Inch Throat, 3 Pack

Olympia C-Clamps are heavy-duty tools perfect for your home, garage, or woodshop needs. The durable cast iron material ensures a strong grip without deformation. The ergonomic design and high friction steel frame make handling easy, providing a secure hold to prevent slippage during use. The smooth adjusting swivel and sliding T-handle design allow for precise clamping and reduce hand fatigue. These long-lasting tools are ideal for various projects, offering professional-grade quality for repairs and fixes.

What We Like
Durable Cast Iron
Ergonomic Design
Precision Clamping

WEN CLC108 Heavy-Duty Cast Iron C-Clamps

WEN
CLC108
Black
1-inch (4 pack)
WEN CLC108 Heavy-Duty Cast Iron C-Clamps Cover
WEN CLC108 Heavy-Duty Cast Iron C-Clamps with 1-Inch Jaw Opening and 0.8-Inch Throat, 4 Pack

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.

What We Like
Heavy-duty malleable cast iron construction
Low-resistance screw threading minimizes binding and sticking
Includes four C-clamps
#TOP 3

PONY Malleable Iron C-Clamp Set, 3-Piece, Orange

Orange
1"+2"+3"
PONY Malleable Iron C-Clamp Set, 3-Piece, Orange Cover
PONY Malleable Iron C-Clamp Set, 3-Piece, (1", 2", 3")

The PONY C-Clamp Set is a 3-piece mini clamp set constructed with malleable iron casting for strength and toughness. With different dimensions for each clamp, including 1-inch, 2-inch, and 3-inch jaw openings, these clamps offer versatility for a wide range of applications. The bright Pony Orange Gloss Finish not only adds a vibrant touch but also prevents corrosion and rust, ensuring durability. The moveable parts have a zinc-plated surface for added rust resistance. The sliding T-handle provides suitable maximum torque, reducing hand fatigue during use. The flexible and smooth threaded rods allow for easy adjustment without sticking. Whether you're crafting, painting, sculpting, or engaging in metalwork or photography, this C-Clamp Set is a reliable tool that will make your projects easier and more efficient.

What We Like
Strong grip and holding power
Durable and long-lasting
Reasonable price
Works for woodworking and crafts
Easy to use
#TOP 4

Zeromall Heavy-Duty C-Clamp Set

ZM2003
Black
Zeromall Heavy-Duty C-Clamp Set Cover
1-Inch C-Clamp Set, Heavy-Duty Cast Iron C-Clamps with 0.8-Inch Throat for Woodworking, Welding, and Building(4Pcs)

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.

What We Like
Durable cast iron construction
Non-slip design for secure grip
Ergonomic handle for comfort
Versatile for multiple applications
#TOP 5

Pony Jorgensen 2610 1-Inch C-Clamp

2610
Orange
1 Count (Pack of 1)
Pony Jorgensen 2610 1-Inch C-Clamp Cover
Pony Jorgensen 2610 1-Inch C-Clamp, Orange

The Pony C-Clamp is a versatile tool that can be used for most do-it-yourself, woodworking, and household clamping projects. With an opening capacity of 1 inch and a throat depth of 1 inch, it can clamp materials securely and with precision. The load limit of 400 pounds ensures that it can handle heavier materials with ease. The ductile iron clamp casting provides durability and longevity. This clamp is an ideal addition to any toolbox, providing convenience and ease of use for a variety of projects.

What We Like
Versatile
Precise
Heavy-duty
#TOP 6

Pony Jorgensen 2640 C-Clamp

2640
Orange
4-Inch
Pony Jorgensen 2640 C-Clamp Cover
Pony Jorgensen 2640 C-Clamp, 4-Inch

The Pony C-Clamp is a versatile tool for your DIY and woodworking projects. With a maximum opening of 4 inches and a throat depth of 3 inches, it can handle most household clamping needs with ease. The 400 lb. clamping force ensures a secure grip, while the zinc plated acme threaded screw and ductile iron clamp casting add durability. Whether you need to hold pieces together while gluing, or clamp a project to a workbench, this C-Clamp is up to the task. Its compact size and ease of use make it a must-have for any DIY enthusiast or woodworker.

What We Like
Versatile
Durable
Secure grip

WOPPLXY 6 Inch Heavy Duty C Clamps

Green
WOPPLXY 6 Inch Heavy Duty C Clamps Cover
WOPPLXY 4 Pcs 6 Inch Heavy Duty C Clamps, Industrial Strength, 1200lbs Load Limit, Quality Iron C Clamps with Sliding T-Bar Handle, C-Clamp Set for Woodworking, Welding, and Building

The WOPPLXY C Clamps are designed for heavy-duty tasks with a robust 1200-pound clamping force. Their 6-inch jaw opening and 3-inch throat depth make them versatile for various projects. Made from durable cast iron, these clamps resist rust and deformation, ensuring they last through demanding use. The sliding T-handle allows you to apply maximum torque easily, reducing hand strain during extended use. With adjustable set screws, you can easily customize the clamp to fit your specific needs, making your woodworking or welding tasks simpler and more efficient.

What We Like
Heavy-duty construction
High clamping force
Rust-resistant finish
Easy to adjust
Reduces hand fatigue
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are C clamps cast iron?

C-clamps or G-clamps are typically made of steel or cast iron, though smaller clamps may be made of pot metal.

2. What is the difference between C-clamp and bar cramp?

Technically there is a difference where G-cramps (from the word Cramp Iron) are devices that uses a screw mechanism to force together objects. However, they are often used interchangeably. C-clamps are usually considered very similar to Pliers, but c-clamps are physically larger and can handle larger work loads.

Editor's Notes

During our cast iron c-clamp research, we found 24 cast iron c-clamp products and shortlisted 7 quality products. We collected and analyzed 17,890 customer reviews through our big data system to write the cast iron c-clamps list. We found that most customers choose cast iron c-clamps with an average price of $11.87.

The cast iron c-clamps are available for purchase. We have researched hundreds of brands and picked the top brands of cast iron c-clamps, including Olympia Tools, WEN, PONY, Zeromall, WOPPLXY. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.