|Item Weight||3.2 ounces|
|Product Dimensions||27 x 9 x 2 inches|
|California residents||Click here for Proposition 65 warning|
|Item model number||518QCN|
|Item Package Quantity||1|
|National Stock Number||6250-01-406-2956|
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IRWIN Tools QUICK-GRIP SL300 Series Bar Clamp / Spreader, 18-Inch (518QCN)
|Price:||$19.00 & FREE Shipping on orders over $49. Details|
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- Provides up to 300 pounds of sustained clamping force. Tested to complete 5, 000 cycles without failure, more than other brands.
- I-beam bar reduces flexing and bowing. Heat-treated, black oxide carbon steel provides maximum durability.
- Clutch lock mechanism with quick-release trigger lets you quickly and easily adjust jaw with the touch of a button.
- Locking swivel jaws with removable full-face pads distribute clamping force easily, while protecting the work surface.
- The Quick-Change screw easily converts the clamp to a spreader and eliminates end-jaw rattles. Affixed spring-loaded screw won't get lost.
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Top Customer Reviews
(1) Be sure the size is correct. I think the 36" size is too big for all but the biggest projects. I think the 18" size is the best all-around size.
(2) The plastic construction makes the clamps best for holding items "approximately" in place. If you need total clamping for cutting precision, look elsewhere.
All in all, a good product if it is the right size, and used for the right purpose.
Having these clamps in a few different sizes is beneficial as well. Small ones are more frequently used, and don't get in the way. The 33 1/2" is great when you need to hold larger projects together, and you can't effectively use two smaller ones to substitute. Additionally the macro clamps give you deeper jaws for a farther reach, enabling you to use them for securing work, to your radial arm saw table for example. They are fast enough to be used for almost any application. Sometimes I use them to secure work when sanding with a power sander. A couple squeezes and they are on, and one squeeze and they pop off.
After getting the smaller ones, and using them, I immediately order two of the 33 1/2" for larger projects, and for tie downs on equipment, including the drill press, and occasionally the radial arm saw.
Their is a small rubber stopper, which you can readily remove, in order to reverse the end, and make it a spreader as well. Something not needed very often, but difficult to achieve without one of these.
One note is that these have built in rubber pads, that completely cover the metal internal end. That is an advantage when you do not want to mar the wood.Read more ›
My only issue is with the release mechanism. I had to struggle a little bit sometimes to get it to pop free. Also, with the release lever depressed, I had some difficulty sliding open the clamps. This is not unexpected or disappointing -- I figure it will take a little practice to get good at releasing and sliding the clamps. The trigger action clamping is so convenient that its well worth learning how to finesse the other parts.
I am glad I got the 12" clamps. When I initially envisioned how I might use these clamps, I thought perhaps the shorter clamps would be all I needed and might be easier to wield. But then I realized I didn't know what I might actually need and I figured it was safer to have too much clamp than too little. Well, I ended up using these to clamp my work piece onto huge posts and to inset legs on a workbench, even the railing on some stairs. Having the extra throw was so helpful -- I was able to use all sorts of imagination for how to hold the work piece with these.
Invaluable when working alone.
1) All of the different lengths of this clamp use the same bar but it's not always strong enough for the longer models. That is especially apparent when using the 24" and 36" models as spreaders. When used as a spreader, it's easy for the bar to bow to the side (and even permanently bend like my 36" model did) when applying only a modest, reasonable amount of pressure. Even when used as a clamp, the 24"+ models can cause the bar to bow a little but in the opposite directions - in the direction that the bar should be strongest.
2) When you apply a lot of clamping pressure, the clamp sometimes gets a little bound up and pressing the release lever doesn't actually release it. You have to use both hands to get it off, which takes away from one of these clamps' greatest strengths – one hand operation. I ran into this a few times today while trying to clamp something a little complicated by myself. It was a frustrating experience.
Most Recent Customer Reviews
Good, easy to use clamps that will hold your work quite securely!Published 1 day ago by PervySageChuck
Irwin is the top name in clamps for a reason. These are super easy to use and hold a great clamp for your projects.Published 2 days ago by MaDog3
Basically, it is the name, and the product line. Irwin used to be the go to name in tools, that is until they began having their products made in China. Read morePublished 9 days ago by Book & Music Lover
I have dozens of the older style Irwin bar clamps in my shop and like them a lot. I purchased four of the 18" Quick Grip SL300 clamps and find them of very poor qulity in... Read morePublished 1 month ago by None