10 Best Corner Clamps for 2021

Corner clamps are essential tools for woodworking, assembling furniture, or setting up a cabinet that frequently arises in any home or commercial place.

When it comes to a woodworking project, corner clamps will always come in handy because it is one of those tools that play an ineluctable role for holding all the woodwork pieces together. Whether it is to glue wood together or to hold something down, corner clamps will accurately and safely work on it.

The corner clamp's high precision in making 90° right-angled joints is necessary for woodworking tasks and industry.  But the truth is, it is not easy to know the best model where you can see a day-and-night difference.

To save you from the trouble and save your energy of analyzing all the corner clamps available in the market, we are here with this buying guide and reviews with the optimum solutions to help you get the right one you need.

Our Top Picks at a Glance

Preview
Overall Best
NUZAMAS 90 Degree Corner Clamp Right Angle Clamp Aluminum Alloy Made, Adjustable Swing Jaw Corner Clamp, Woodworking...
Kreg KHCCC 90° Corner Clamp
Hobart 770565 Two Axis Welding Clamp
SAND MINE Double Handle Corner Clamp, 90 Degree Quick Release Corner Clamp for Welding, Wood-working, Photo...
MLCS - MLC-4879 9012 Woodworking Exclusive Merle Multi-Corner Clamp
Bessey Tools WS-3+2K 90 Degree Angle Clamp for T Joints and Mitered Corners
Product
NUZAMAS 90 Degree Corner Clamp Right Angle Clamp Aluminum Alloy Made, Adjustable Swing Jaw Corner Clamp, Woodworking...
Kreg KHCCC 90° Corner Clamp
Hobart 770565 Two Axis Welding Clamp
SAND MINE Double Handle Corner Clamp, 90 Degree Quick Release Corner Clamp for Welding, Wood-working, Photo...
MLCS - MLC-4879 9012 Woodworking Exclusive Merle Multi-Corner Clamp
Bessey Tools WS-3+2K 90 Degree Angle Clamp for T Joints and Mitered Corners
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Overall Best
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NUZAMAS 90 Degree Corner Clamp Right Angle Clamp Aluminum Alloy Made, Adjustable Swing Jaw Corner Clamp, Woodworking...
Product
NUZAMAS 90 Degree Corner Clamp Right Angle Clamp Aluminum Alloy Made, Adjustable Swing Jaw Corner Clamp, Woodworking...
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Preview
Kreg KHCCC 90° Corner Clamp
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Kreg KHCCC 90° Corner Clamp
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Preview
Hobart 770565 Two Axis Welding Clamp
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Hobart 770565 Two Axis Welding Clamp
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SAND MINE Double Handle Corner Clamp, 90 Degree Quick Release Corner Clamp for Welding, Wood-working, Photo...
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SAND MINE Double Handle Corner Clamp, 90 Degree Quick Release Corner Clamp for Welding, Wood-working, Photo...
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MLCS - MLC-4879 9012 Woodworking Exclusive Merle Multi-Corner Clamp
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MLCS - MLC-4879 9012 Woodworking Exclusive Merle Multi-Corner Clamp
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Bessey Tools WS-3+2K 90 Degree Angle Clamp for T Joints and Mitered Corners
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Bessey Tools WS-3+2K 90 Degree Angle Clamp for T Joints and Mitered Corners
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Review of the Top 10 Corner Clamps, Below

Here we reviewed the top 10 corner clamps available in the market with the features and flaws to choose according to your preferences.

1. Kreg KHCCC 90 -degree Corner Clamp

Kreg KHCCC 90 -degree Corner Clamp

  • Steel frame construction;
  • Swivel head; 
  • Quick-release lever;
  • Self-squaring design;
  • One-handed clamp mechanism;
  • Perfect for 90° corners and “T” joints;
  • AUTOMAXX auto-adjust technology.

Kreg KHCCC 90 is one of the top vice concept capacity corner clamps for any woodworker, carpenter, and hobbyist. Its durable heat-treated steel construction with nickel plating can serve users for a long time. This clamp features a quick-adjust handle for fast and straightforward adjustments up to 1-1/4" thicknesses.

Moreover, the AUTOMAXX auto-adjust system allows the clamp to automatically adjust to match the clamp's thickness within the clamp. 

When it comes to assembling boxes, drawers, cabinets, and cases, the v-wedge jaws grip the mating pieces securely to work on both 90° corners as well as "T" joints. And its cutouts on the clamp pads allow driving a pocket hole nail or screw to be applied without halting the process.

Pros

  • Durable design ensures a longer useful life;
  • The single-handed operation makes it very easy to use;
  • The clamp adjusts automatically to match material thickness;
  • Equipped with a large clamping surface;
  • Pocket-hole allows nailing or screwing without removing items in clamp;
  • Easy-to-regulate clamping pressure with thumbwheel;
  • Help hold assemblies like boxes, cabinets, drawers, and cases.

Cons

  • Not smooth operation.

2. NUZAMAS 90 Degree Corner Clamp

NUZAMAS 90 Degree Corner Clamp

  • Aluminum alloy die-casting construction;
  • Die-cast aluminum jaws;
  • Forged steel screws;
  • Double handle;
  • 2-1/2-inch jaw capacity;
  • Slotted-bottom design;
  • Quick-release mechanism for easy adjustment.

This is a modern style high-quality double handle corner clamp from NUZAMAS manufacturers capable of performing heavy-duty construction. Durable construction and large capacity make this 90-degree corner clamp is an excellent option for making cabinets or box-frames for severe woodworkers.

Moreover, both the included clamps possess a quick-release button that allows for a fast open and close function to make flawless adjustments, and the instant release of your workpieces becomes more accessible and safer.

The corner clamp's slotted-bottom design allows for easy positioning and installation in any workbench. It has a non-marring finish to deter pressure marks on the soft materials and forged steel screws for offering precise and smooth movement.

Pros

  • Ergonomic handle;
  • Handles most clamping jobs;
  • Feature a non-marring finish;
  • Double handle design for independent jaw opening adjustment;
  • Adjustable swing jaw for accommodating blocks of different widths;
  • Ability to firmly hold spherical material.

Cons

  • None.

3. Hobart (770565) Two Axis Welding Clamp

Hobart Two Axis Welding Clamp
  • Aluminum jaws and steel threads;
  • Fitted with rotatable spindle screw;
  • Floating head;
  • Adjustable handle;
  • Precise 90-degree corners.

Hobart (770565) two-axis welding clamp is a useful tool for welding to create a very accurate 90° corner on the round tube, square tube, and angle iron and channel iron. This us assembled clamp has aluminum jaws and steel threads with a powder finish to ensure that it can sufficiently hold pieces collectively.

Besides, it offers quite a convenient screw adjustment, rotatable spindle, and floating head that helps with pretty alignment and keeps any materials with different shapes and sizes firmly together.

It is fitted with a sturdy rubber grip handle, which helps the user to have a perfect hold when carrying out the operations, even if the hands are wet. Considering its price and quality, this right angle clamp provides perfect 90-degree corners precision to handle small projects, even holding pieces of two different sizes together with ease by allowing you to complete any task quickly. 

Pros

  • Compact and lightweight design;
  • Features a comfortable handle that eases operation;
  • Easy to use for precision or small projects;
  • Easily holds workpieces together;
  • Works best for spot welding corner;
  • Able to work with two different size pieces.

Cons

  • Not for woodworking;
  • Not for commercial projects.

4. SAND MINE Double Handle 90 Degree Quick Release Corner Clamp

Double Handle 90 Degree Quick Release Corner Clamp
  • Steel aluminum alloy die casting;
  • TPR double handle;
  • Quick-release adjustable jaws;
  • 2-1/2-inch jaw capacity;
  • Solid anti-skid strong rubber handle;
  • Electroplating steel rotating spindle nut;
  • Perfect for a 90 degrees corner clamp.

The durable construction and innovative functions like anti-skid double handle and aluminum alloy steel construction make sand mine 90-degree sharp release corner clamp, another versatile clamp for woodworkers, cabinet makers, handymen DIYers alike.

This two-handled clamp features large rubberized handles, an excellent option for larger jobs like welding, framing, drilling, doweling, etc. because it requires more clamping power.

It also features quick-release action adjustable jaws that allow users for fast and easy setup and adjustments and instant quick release of the workpieces. If you want, you can use the device as a clamping device for 90° corner joints, or saw guide for making 45 degrees miter cuts, and as a workbench vise.

Pros

  • Aluminum alloy material ensures durability and strength;
  • Very lightweight;
  • Rust-proof nut;
  • Clamps on both sides;
  • Double handle with strong rubber secures quickly;
  • Movable jaws provide easy setup and fast adjustments;
  • Capable of handling most of the clamping jobs;
  • Oblong holes for easy mounting in any workbench.

Cons

  • Poor alignment.

5. MLCS 9012 Exclusive Merle Multi-Corner Clamp

MLCS 9012 Exclusive Merle Multi-Corner Clamp
  • Cast aluminum and steel construction;
  • Self-adjusting;
  • Dual pivot design;
  • Features a 23-foot steel banding;
  • Quick-release corner clips;
  • Non-marring jaw inserts align to any angle.

If you are a woodworker, then this MLCS 9012 exclusive merle multi-corner clamp is worth buying. It is made of high-capacity abs plastic and quick release corners to facilitate the desired shape's rapid adjustment. For that reason, it will hold any type of frame and will allow users easy screwing, nailing, and gluing when and what they want to do in the project.

This is a self-adjusting multi-corner clamp with non-marring jaw inserts that can align at any angle. In addition to that, its dual pivot feature allows the merle to clamp virtually any size or shape, including circles, ovals, plus triangles, hexagons, octagons, and more.

In addition to that, it has almost no capacity limitation. The 23-feet around steel banding can be extended to any length using standard 3/8-inch steel banding or strapping.

Pros

  • Solid abs plastic material ensures longevity;
  • Very easy to use;
  • It allows heavy use;
  • Dual pivot handles every shape;
  • Adjustable design reduces pressure requirement; 
  • Quick-release corners allow quick adjustment;
  • Perfect for cabinet frames and picture frames.

Cons

  • None.

6. Bessey Tools (WS-3+2K) 90-Degree Angle Clamp

Bessey Tools 90-Degree Angle Clamp

  • Die-cast construction;
  • Plastic coated finished body cover;
  • V groove design
  • F-style design;
  • Rust resistance;
  • Corrosion resistance;
  • 90-degree corner clamp.

Bessey tools angle clamp is a perfect clamp for professional carpenters because of its 90-degree angle, perfect while working on picture frames or building a cabinet. Its sizable opening jaw width capability can easily accommodate 3/16 inches (55 millimeters) of wood on each corner. Moreover, the product is accompanied by a 3/16 inch (30 millimeter) opening that is obtainable for driving fasteners for t joints. 

The die-cast construction and finish in a plastic coating ensure durability and performance and prevent marring, scarring, or dents on your delicate workpieces. It includes tk6 table clamps that are to mount your clamp securely to the sides to a workbench. Thanks to its ergonomic handle, a secure grip enables users a more effortless time loosening or tightening and reducing strain on joints.

Pros

  • Sturdy;
  • Quick and easy to operate;
  • Smooth operating screw mechanism;
  • Exerts intense continuous pressure;
  • Ergonomic handle for a secure and comfortable grip;
  • Comes with plastic insert and tk6 table clamps;
  • Perfect for t joints and mitered corners;
  • Three inches jaws hold pieces of identical thickness and different thicknesses.

Cons

  • Heavy;
  • It is challenging to use one-handed.

7. Milescraft 4005 90-degree Corner Clamp

Milescraft 4005 90-degree Corner Clamp

  • Swivel head design;
  • Vice grip handle design;
  • Slip-free handles;
  • Ideal for 90° corner and "T" joints;
  • 1.25" (31.75mm) maximum capacity.

Milescraft 4005 is a vice grip handle style with the addition of a soft rubberized grip handles clamp for assembling boxes, cabinets, and drawers. The overall sturdy materials construction, simple and quick adjustment of the jaw allows you to hold 90° corners easily, and "T" joints corners together. 

It has a unique swivel head that enhances ease of use. Its thumb screw mechanism makes it a great tool to hold pockets and is a quick and easy way to have pocket-hole joints at 90 degrees during project assembly.

Pros

  • Durable;
  • User-friendly;
  • Soft grip handles;
  • Easy adjustment;
  • Perfect for holding pocket hole joints together;
  • The Thumbscrew allows for quick and easy adjustment of jaw capacity.

Cons

  • Unhandy adjustments.

8. ODELENWA 90° Right Angle Clamp/Corner Clamp with Aluminum Body

ODELENWA 90° Right Angle Clamp/Corner Clamp
  • 90° welding corner clamp;
  • Aluminum alloy body;
  • Adjustable swing jaw;
  • Single TPR handle; 
  • Electroplating steel rotating spindle nut;
  • Floating head;
  • Black protective frosted surface treatment.

ODELENWA 90° right angle clamp/corner clamp is the most needed high-quality tool for carpenters, handymen, or DIYer. This is one of those tools that you need to get your woodworking tasks done quickly as it assures you by its high-quality construction and optimal performance capacity. T

his corner clamp from ODELENWA involves reliable and durable heavy-duty die-cast aluminum alloy material, with a black frosted surface treatment, to protect the inner die-cast aluminum alloy frame from corrosion and also to give extra strength and sturdiness texture.

Aside from that, it has the swing jaw that allows two wood blocks of different thicknesses up to 2.7 inches thick to be joined at a 90-degree angle. The jaw is adjustable for both angle and corner clamping. You also get an ergonomic anti-skid rubber handle to hold the materials together by ensuring a comfortable and stable grip.

It has a floating head and electroplating spindle screw to match your needs to complete versatile tasks such as drilling, welding, furniture installations, dowelling, cabinet making, etc.

Pros

  • Durable and stronger;
  • Wear-resistant;
  • Electroplating rust-proof arbor;
  • An adjustable swing jaw facilitates easy setup;
  • Soft anti-slip grip;
  • 2.7 in/7.0cm maximum range facilitates precise hold at 90 degrees joints;
  • The textured black coating ensures a durable and stronger texture;
  • Versatile design accommodates installing furniture, welding, drilling, framing, dowelling, cabinet making, etc.

Cons

  • Poor quality.

9. TACKLIFE (HAC3A) Corner Clamp

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  • Aluminum alloy frame;
  • Sturdy carbon steel threaded rod;
  • Upgrade steel rotating spindle screw;
  • Swing jaw arm design;
  • Anti-skid rubberized handle;
  • Structural rib design;
  • The maximum clamping range is 2.75in/70mm.

TACKLIFE (hac3a) is constructed of a heat-treated aluminum alloy frame with a structural rib design that ensures durability and long-term use and is easy to operate. Additionally, an ergonomic slip-resistant rubberized handle is installed for comfortable use, and you get a maximum clamping range of up to 2.75 inches", jaw width of 2.36", and jaw depth of 1.4".

The tool also comes with a rotating spindle screw made of carbon steel, where it provides a prolonged lifespan and the long-lasting durability of this gadget.

The unit also features a swing jaw design with oblong clamp holes that allows clamping two wooden blocks or other pieces that have different widths, including metal tube, steel rod, wood, thick glass, for making cabinets, box-frames and picture frames, fish tanks, and more to be connected at the right angle. 

Additionally, this clamp is suitable for heavy-duty projects such as cabinet making, photo framing, making cupboard, welding, glasswork, etc.

Pros

  • Lightweight for extra convenience;
  • An ergonomic rubberized handle ensures an excellent grip;
  • Strong and durable heavy-duty construction;
  • Wide jaw opening;
  • Suitable for DIY woodworking
  • Oblong holes for easy positioning and installation in any workbench.

Cons

  • Has no quick-release mechanism.

10. Housolution 90°Corner Clamp with Single Handle

Housolution 90°Corner Clamp with Single Handle

  • Made from premium aluminum alloy die-casting material;
  • Sliding t-shaped single handle; 
  • Adjustable swing jaw design;
  • 2.68in/68mm maximum clamping capacity;
  • Abrasion resistance metal nut;
  • Electroplating rust-proof arbor;
  • Works perfectly for 90 degrees joints;
  • Ability to clasp two different thickness pieces together.

Housolution 90°corner clamp is the prevalent vice among DIY, woodworker, or a professional carpenter because of its versatility, durability, simplicity, and optimum performance for aligning, nailing, woodworking, welding, screwing, making cabinets, box, and picture frames.

This right-angle clamp features a retractable rotary jaw or floating head design, which allows easy alignment clamping and securely holds together two wood blocks of different thicknesses to join at a 90-degree angle with accuracy.  

Its t-shaped single handle, quick-release mechanism, and solid die-cast aluminum construction offer easy adjustments and convenience holding during working. This type of angle clamp has a maximum jaw opening of 2.68 inches with a jaw depth of 1.4 inches to make the opening adjustments easily.

If you want a permanent or semi-permanent clamping tool solution, its oblong mounting holes will give you this opportunity by enabling straightforward mounting to a workbench.

Pros

  • Lightweight;
  • Easy to use;
  • Durable & heavy-duty construction;
  • Quick & smooth adjustment;
  • The anti-skid t-shaped handle facilitates speed and efficiency;
  • Can be adjusted for different thicknesses of wood;
  • Provides accurate alignment;
  • Suitable for a wide range of applications;
  • Available in multiple color options.

Cons

  • Not suitable for furniture construction.

Things to Consider Before Buying Corner Clamps

When you are about to purchase the corner clamps, among many brands in the market or even the ones mentioned in our review, there is still one pressing question arouse in your mind-

How to know which corner clamp is the best?

You need to know the factors that need to be considered when purchasing the top corner clamps.

Clamping Power

Before you make any purchase, you should consider the clamping power of corner clamps. Most of the clamps tend to lose their value to hold things properly in a place for a long time. You should go for that one that can firmly and securely have the items all together in place to complete the projects faster.

Brands constructed with suitable materials such as steel and cast-iron clamps are the most durable and reliable ones to withstand high pressure to hold the heavyweight and more massive planks together in place while you work on them.

Size

It is better to select a clamp with the proper size like large corner clamps are suitable for big and heavy woods, whereas medium-sized corner clamps can easily position for smaller wood projects.

But too big clamps will hamper your workflow because massive corner clamps cannot be easily maneuvered, whereas the smaller ones will bring down the work efficiency. You should also analyze the clamps' throat depth and ensure that it is sufficient for the task.

Protection

To keep the planks or boards altogether, the clamps often place tremendous pressure. So, they hold the potential damage or stretch on the very piece surfaces. But clamps with protective pad coatings make it far more difficult by ensuring the material surface won't accidentally mess up or damage or rough up.

Frequently Asked Questions (FAQs)

What is a Quick-release Mechanism of Corner Clamps?

The quick-release mechanism of a corner clamp is the feature that is designed with a quick action vise, which allows the user to rapidly open and close the jaws to the surface in one movement until you want to disengage it by squeezing the trigger.

Can Corner Clamps Be Used for Welding?

Yes, corner clamps can also be used for welding, but you have to be very careful. Because most of the clamps are made from aluminum, so it may end up with hot spots all over it before you're done.

Can Corner Clamps Provide Joining Angles Other Than 90-degree Angles?

As the name suggests, almost all corner clamps are intended only for 90-degree angles; they will not work on any other slopes. If you plan to do different angles, some clamps, such as adjustable, multi-angle clamps available in the market, can work on any angles.

Final Words

No matter what project you are planning to start, finding the top corner clamps for a project will not only assist your work but is always worth the effort. Corner clamps are highly recommended in every woodworking or welding project because of their highly accurate 90° angles meaning you can create precise and perfect welds or wood joints for high-quality work. 

We have tried to enlist some of the best brands in the industry here to fulfill your requirements. All these are explained in detail above, and after reading through, we hope that this article will help you select the right clamping tools by ensuring fast and easy positioning to finish your project flawlessly.

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