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Dustin H.
Reviewed in the United States on March 3, 2025
These aren’t much better than toys. The threads on the screw are too corse so they back out and don’t stay tight and if you tighten them too much then the plastic flexes and you lose square which defeats the whole point of them.Too flimsy to be useful, save your money and get real clamps.
Payo
Reviewed in the United States on December 5, 2024
Got these through Vine to test out. How good are they on making corner drill edges. They do a pretty good job but I feel like you don't get a perfectly square corner. It does take some moving and finagling to get perfectly a 90° corner, but in a pinch these do get the job done. I would consider something a bit higher grade. Even HF tools might have something comparable, but overall these do the trick
John
Reviewed in the United States on November 7, 2024
I grabbed this for a frame I was setting up but realized it couldn’t handle the 3/4-inch I was putting together. I was able to use it for a small box I was making, and it worked beautifully. What works great about these clamps is that they’re non-marring, and the fit adjusts to the thickness of the wood. When joining a 1/2-inch with a 1/4-inch miter clamp, the fit adjusts accordingly in the middle, making my only worry the lineup of my project. I also like the plastic build as it makes cleaning up glue squeeze easier. Overall, these clamps are great when working on joinery in boxes and frames.
Boyd
Reviewed in the United States on November 5, 2024
These work okay. A little play in them. As long as you are careful, you get a 90-degree joint.
C. Carlson
Reviewed in the United States on October 31, 2024
I frequently make boxes or other wood items that require joining the corners. On simpler projects, a butt joint is sufficient, but for items which need additional strength or a decorative appearance, I use dovetails or miters.On final assembly, I apply glue and then clamp the joint in position. I have made 45-degree corners from wood which work well with standard C clamps, and when I saw this set, I decided they might be useful for that purpose. One feature which caught my attention is the ability to join boards of different thicknesses, which could prove useful.These clamps have a wedge which can move left or right to adjust to board thickness and are tightened with a knob that moves the wedge forward into the joint. The design seems sound, but the clamps have some shortcomings that limit their effectiveness. The jaws and center wedge are less than 1” high, and I found that the clamping knob can be fussy to tighten, and when additional pressure is applied, the threaded plastic section that the screw passes through will noticeably flex so no more pressure can be applied. As a result, they do not pull the joint tightly together without an additional clamp to apply more force, which is necessary to keep pressure on a glue joint. Also, the short faces do not easily align boards that are not perfectly flat and uniform unless they are used on both ends, which is inconvenient.These clamps could be used for holding components in position to join with fasteners, but I think they are too lightly constructed for general use and I was disappointed with their performance.
stevie g
Reviewed in the United States on October 30, 2024
As soon as I saw the BUILDSOMETHING - Quick Corner Clamps I knew I had to have a set. I've purchased other corner setting tools but these will work the best. You get 4 clamps instead of being forced to buy them separately. When i have used other framing tools it was difficult to get them set, I needed a third hand. These are one hand operation which will help speed up the task. I'm going to build something ASAP just so I can use these.
Bluesman
Reviewed in the United States on October 24, 2024
I recently got the Quick Corner Clamps, and they’ve been a fantastic addition to my toolkit. This 4-pack of clamps is designed to set right angles precisely, and they truly deliver on that promise. The adjustable clamping thickness range makes them incredibly versatile, perfect for a variety of woodworking projects.The clamps are intuitive, allowing quick set up for perfect right angles without any hassle. The design is user-friendly, and adjusting the clamping thickness is simple. Just adjust the clamps to the desired width, and they lock securely in place, providing a firm grip that holds the materials together securely.These clamps have surpassed my expectations. They provide a vigorous and dependable hold, warranting that the pieces stay in place while I work on them. This stability is crucial for achieving precise cuts and clean joints, especially in more complex projects. The clamps are durable and have withstood a great deal of use already without any signs of wear or weakening.They are easy to store, making them convenient for home workshops and on-the-go tasks. They don’t take up much space but pack a lot of functionality into a small package.Overall, the Quick Corner Clamps are a fantastic investment for anyone serious about woodworking. They’re easy to use, versatile, and provide excellent performance. I highly recommend them.
Ted
Reviewed in the United States on October 24, 2024
i'm building some window boxes out of pvc boards with foam between the joints to make them waterproof and i had no idea how i was going to hold it all straight while drilling and screwing them together. these clamps were so easy to use it made the process effortless. originally, i was going to try to tape them or use bar clamps. but with these, i pretty much had them lined up perfect and was able to make slight adjustments very easily. the plastic looks and feels really sturdy too, seems to be the kind that has some glass fibers in it for reinforcement. they didn't break with me using them for 9.5" wide boards from just one side and driving long deck screws through them with foam in between. i really like these
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