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Cobra Products 30500 1/2-Inch-by-50-Foot Drain Auger
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Cobra Products 30500 1/2-Inch-by-50-Foot Drain Auger



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Cobra 30500 50' Drain AugerCobra 30500 50' Drain Auger Features: High quality spring wire offers maximum flexibility for the tightest bends Use for small or medium household drains Rust resistant high grade, high carbon round diameter spring steel wire Integrated corkscrew open wound boring head Unique high power torque twist design which provides maximum thrusting action even through strainer cross bars Size: 1/2" x 50'

  • 1/2-inch x 50-foot High Carbon spring wire

  • Clears small and medium household drains

  • Galvanized torque twist handle

  • Integrated open hook boring head

  • Speed grip handles

Product Details:
Product Length: 2.0 inches
Product Width: 14.0 inches
Product Height: 13.0 inches
Product Weight: 14.0 pounds
Package Length: 13.0 inches
Package Width: 13.0 inches
Package Height: 3.0 inches
Package Weight: 14.65 pounds
Average Customer Rating: based on 48 reviews
Customer Reviews:
Average Customer Review:4.0 ( 48 customer reviews )
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Most Helpful Customer Reviews

30 of 31 found the following review helpful:

5Not a nice job to do, but it works!  Jan 18, 2012
This 50 foot auger is made of ½ inch carbon spring steel and a lot stronger than the smaller 3/8 and even ¼ augers. It has a crank handle with an adjustable thumb screw to allow you to get the proper grip on the auger to spin it. It is not a nice job to do but I probably saved $400 to $500 by not having a plumber come out.

The large boring head of the auger has a hook to catch onto anything stuck in the drain and help pull it out. This size and length is ideal for small and medium home drains. Anything longer than 50 feet you probably have to call the professionals to do it anyway. Even though it is ½ inch in diameter it bends pretty easily to go around the curves in your plumbing so it works well.

Get yourself a good pair of PVC plumber's gloves. You will need them. Wash up the auger with your hose and dry it before you store it. They will rust. Ugh, not my favorite job but it works.

Another good job for this is cleaning out your buried gutter drain hoses of leaves and other obstructions. I had my home reroofed and the contractors swept and least two large hands full of nails into all the gutter downspouts and guess what. Yeah they all clogged in the spring. I wired a magnet to the end of the auger and pulled out the nails and then augured as far as I could go and then the hose washed out the balance of the blockage. This is a handy item to have around.

29 of 30 found the following review helpful:

3Can't get a handle on this  Feb 19, 2013
By Mike
Watch Video Here: http://www.amazon.com/review/R15KFXRKSBT73Y Bought this (or a very similar product) from our local big box Depot. While I was eventually able to get rid of our blockage, I fail to see how one is supposed to use the twist handle to spin the snake to cut into the blockage. (See my video.)

At first, the way I was originally using it (which was wrong), with the handle on the end when the snake is only half way in (because you've reached the blockage early), it's a two man job to use. Someone has to hold the remaining 25 feet of snake off the ground and prevent it from kinking while you try to spin the handle. Otherwise, it will just coil up on itself while sitting on the ground.

But as I write this, it occurs to me that the manufacturer meant for you to slide the handle down the snake to where you're working and clamp it there. (There aren't any real instructions showing this.) That means the remaining coil will be twisting (flopping) on the ground while the inserted part is also twisting. But that's more manageable than the way I was doing it initially.

Still, I wasn't able to get the snake to rotate easily. If there's a way to easily spin the handle, I haven't figured out the trick. I don't know how to explain the problem in words. There's not enough offset in the handle to get any rotation going.

The handle needs to be more like an old starter hand crank for a "Model T." Or like those old fashioned hand drills, where there are two 90 degree bends in the handle so you can swing a 4 or 5 inch arc as you crank the handle. But then you wouldn't be able to slide the snake in the handle to where you're working. Perhaps a longer handle (1 foot long) with the same gentle bends would work?

In the end, this unit was cheaper than renting a power snake. And it eventually got rid of the blockage, but not at first. Because I couldn't spin the auger, I ended up pushing the blockage further down the pipe instead of cutting into it and breaking it up. Fortunately, pushing it must have weakened it because it eventually broke up after a few rinses with scalding hot water from our water heater drain.

19 of 21 found the following review helpful:

5Great product  Jan 30, 2011
By G. Walker "Ranger4747"
After trying to plunge the drain, sticking a garden hose down it, etc. we were ready to call a plumber. After reading the reviews on this product we decided to give it a try. First time after 50 feet nothing came up. Then my wife tried and pulled it up slowly and a huge clog came out. Problem solved!

TIP: Pull it out slowly so the clog doesn't fall off.

17 of 20 found the following review helpful:

5Worked well...gross, but worked well  Dec 02, 2008
By L. Lamp "Shade"
Bought and used the 1/2" by 50' Cobra drain auger to snake our main house drain. It's cumbersome at 50' and takes a little elbow grease but it worked great. I would not buy this large one to snake out an indoor drain but it worked well on a larger pipe. Also, when I purchased this product it was 11.79 and I got free shipping when it was combined with another purchase. Because of the weight, I think it cost more to ship than the actual cost of the auger.

9 of 10 found the following review helpful:

5Get's The Job Done!  Dec 13, 2012
By LSL308 "LSL"
The sewer pipes in the house we live in are old, and not the best. We had some problems during the summer, which were reasonably fixed, but a couple of weeks ago the toilet clogged, then the bathtub clogged, then the kitchen sink clogged. We plunged each one, but they stayed clogged. We live in a rural area, so no real professionals out here. Needless to say we needed something that would work. After the 25 ft snake couldn't reach the clog we turned to the 50 ft snake. Even without a drill attached the 50 ft snake reached the clog that was near the street main sewer line. With a bit of work we were able to push the clog out to the main line. Then we used a garden hose to make for sure the clog was flushed out of the house pipes. All the drains are working just fine now. I never thought I would actually need a 50 ft snake, but I'm glad we have it! It did the job that it was meant to do, thank heavens! I would highly recommend this product to anyone having serious plumbing problems!

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