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Knipex quality issues...? Tips included

zer0cell

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Alright so I was at Lowes the other day browsing their electrical tools section. I saw greenlee, channellock, ideal and knipex. I picked up some of the Knipex and was checking them out, reading the card, opening and closing the pliers, seeing the difference between the comfort grip and standard and how it felt in my hand as I applied pressure and gripped the pliers with medium-hard pressure with my hand and suddenly I noticed something...

The linemans pliers I picked up that did not have the comfort grip seemed to close more than I was expecting. For those of you not familiar with linemans pliers the tip of the pliers where the cross-hatched edges are is not supposed to touch. Only the cutting edge below that part is supposed to make contact. However, when I squeezed the handles together with one hand I noticed they almost made contact. That was not what I am used to after using both channellock and klein brand linemans in the past.

Upon closer examination I noticed that the cutting edges were not lined up properly. They actually OVERLAPPED when medium pressure was applied as I gripped the handles. Hmm, that was funny I thought... I have several Knipex tools and have been happy with them so far although I have not yet put them through heavy usage. One reason I ended up even looking into Knipex was in part because of this forum :thumbup:

Anyway, I proceeded to check out some other knipex pliers on the rack and I'd say about 1/2 of the cutters all had this problem! The cobras and bolt cutters seemed fine but the linemans and diagonal cutters often had issues. To me it is a concern when the cutting edges are not properly lined up. Especially when you consider the high cost of investment. When I say they are not lined up I MEAN IT - some of them actually overlapped when the handles were squeezed together and were slightly wobbly! So I tried the greenlee, ideal and channellock that were on the racks (without damaging their packaging too much :bounce: of course) . ALL of their cutters had no problem with alignment even as I squeezed the handles as hard as I possibly could. (even the cheap-o Chinese ones for $2.99 did not have this issue)

I seriously hope that this is not the norm and that store just happened to get a bad shipment, maybe a knock-off from china destined for HF, with uh.. the wrong markings and uh packaging and stuff... :lol_hitti but I will check the other local Lowes stores when I get a chance and see if its the same there too.

Here is how even an amateur can tell if his/her cutters are good or not. This works for any brand.

This first picture is of a pair of Knipex angled diagonal cutters I own. They appear to be fine now but I hope they don't start overlapping, wobbling and getting out of alignment after some real use. I already emailed Knipex about this issue and will not buy any more of their products until I get an explanation... I am sad to see this because I have heard a lot of good things about the brand and I like my pliers wrenches a lot...

Note that the one pictured is not one with an issue...(yet anyway)

mh3i14.jpg


Next is a picture from the rear:

fyes5v.jpg


Finally... this is how you can test if you are getting one with properly mated cutting edges while in the store...(works for most types of cutters) Close the handles and apply light pressure. Then use your thumb and index finger to grab the cutting edges as pictured. Then slowly increase pressure in the handle areas until you are squeezing as hard as you can. If you feel any movement in the cutting edge area as you force the handles together you know you got a lemon... remember: 1. Light pressure to join cutting edges 2. grip cutting edges with fingers 3.hard pressure as you grip and force handles together... DON'T cut your fingers off :beer:

j80bxz.jpg




Okay, some of you might find this **** but seriously... I made this post for 3 reasons:

1. To show that even "top quality" manufacturers apparently can have QC issues... it was not just one it was HALF of them in the store which were clearly defective.

2. To make it known that the general public has its eye out to keep blind loyalty to a minimum and a demand for quality up.

3. To give everyone here a little tip to make them aware and educated when shopping for this particular type of tool.


Even though the ones pictured do not have this problem, after seeing so many bad ones in the store I am afraid how long mine will last... (not saying they won't just saying it makes me nervous)
 
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zer0cell

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and DON´T cut your toes off :beer: :D ;)

Haha I knew someone was going to say something about my toes... Just be glad my girlfriend likes to cut the hair off my toes and feet with tiny scissors else you'd be seeing hobbit feet in that picture :bounce:
 

cranky

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Haha I knew someone was going to say something about my toes... Just be glad my girlfriend likes to cut the hair off my toes and feet with tiny scissors else you'd be seeing hobbit feet in that picture :bounce:

thanks for posting the info.

i have hobbit feet lol probs becuase i dont have a girlfriend:lol_hitti
 

Wakefield

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My guess: counterfeits.
I wonder how often counterfeits get caught/stopped before some middleman or distributor pays for them? I would imagine that some of the companies actively hunt for those who counterfeit their products or try to resell counterfeits as authentic.
 

Monte

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lol you hobbits :D

a easy "in-store" test of pliers is to cut some paper and bring some cable with you and/or paper clips or cut in the cardboard of other product packages :D
 
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zer0cell

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lol you hobbits :D

a easy "in-store" test of pliers is to cut some paper and bring some cable with you and/or paper clips or cut in the cardboard of other product packages :D



Du warst eine boese kind, nicht? :)
 

Hoss356

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I think there is a flaw in your description, unless you're buying cable cutters that work like scissors to shear material, "cutters" or "dykes" should only have one cutting edge since they work on the knife and anvil principal.
 
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zer0cell

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I think there is a flaw in your description, unless you're buying cable cutters that work like scissors to shear material, "cutters" or "dykes" should only have one cutting edge since they work on the knife and anvil principal.

Channellock uses the knife and anvil principle on their dykes but some other brands do it differently. Either way, the problem I see is the overlapping and misalignment on some of the units. Does that clear it up?
 

strnjss

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the black lube seeping through the joint on your diagonal cutters isn't a very good sign either. I've been told that when that happens with a tool, it's a sign of a poor fit/machining from the factory.
 
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zer0cell

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the black lube seeping through the joint on your diagonal cutters isn't a very good sign either. I've been told that when that happens with a tool, it's a sign of a poor fit/machining from the factory.

You should have seen it before I wiped it off for the pic... other ones in the store had that too. I've heard the same thing before but I don't know if it's true in this case or they just overdid it with the lube/oil for transport overseas or something...?
 

MattT

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Thanks for the warning about customers "testing" tools in stores.
 

bentt

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Wait a minute, with two hands and a foot in frame, how did you take the picture???

j80bxz.jpg
 
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zer0cell

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I challenge you all to figure it out if its such a mystery... go ahead try to do it on your own and post a pic here of you doing the same thing when you get it :)


Tip: i did not have anyone else helping me - did it on my own and without a tripod or anything like that... oh and it was a Nikon D40x so its not exactly a small camera either (not the best quality pic of course, i had it on the wrong setting. usually it takes excellent pics)
 
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littlekillertoad

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I couldn't find anything on d40s and movie quality, so I don't think it's a frame from a video.
I'm guessing you used a tripod and set the camera on a timer or at least used your chin?
Or, you got some kind of mutant third arm?
 
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zer0cell

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lol no damn tripod.... and that was smart to check and see if it had video but nope it doesn't. best way to figure it out is to try to imitate it at home... just dont hurt yerself
 

MrMark

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I have a lot of Knipex. They are overrated IMO. The Cobra's are special, the rest, ehh.

Snap-on makes the best pliers. They have the tightest joints and the nicest finishing.
 

Bolster

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Well, I was waiting to see zero get torn apart by the pro-knipex forces, but I see the Knipexicans have mellowed out recently.
 

garfunkle24

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I have never had any problems with my Knipex and I also have a LOT of them (used hard too). I love mine, but I'm sure they have their problems like anyone else.
 

Ed_EOD

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I have a lot of Knipex. They are overrated IMO. The Cobra's are special, the rest, ehh.

Snap-on makes the best pliers. They have the tightest joints and the nicest finishing.

I have a set of Snap-On (linesman, dikes, needlenose) and they are really nice, but I never use them BECAUSE they are so tight. I actually was sitting on the couch opening and closing them for a few hours and my wife thought I was nuts. I want to use them but I usually end up using my Knipex. The Snap-On seem indestructible but the Knipex are nicer to use.
 

blue dog

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I have 4 different knipex products, zero problems. my side cutter get daily use and seem superior to the channellock and klein side cutters i have. I will say that i have a pair of 8" knipex mini bolt cutters, and they are amazing, will cut a 1/4 20 with barely any pressure at all. All in all, i am happy with my purchases. Just need to try some cobra water pump pliers now.
 

MrMark

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I should have added the Knipex mini bolt cutters being amazing. I think the Klein cutters are the best in the business. They cut easier and cleaner than Snap-on or Knipex. These are the ones with the Blue handles. But, the Snap-on 388CF are a true battle weapon.;
 

Flash21

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MrMark - It is interesting on the tighness of the joint. I had a thread asking about just that, I noticed the trend for Snap-On to be quite tight in the joint, especially out of the box where a lot of Knipex I've purchased are not. Neither have 'slop' but the best way I can describe it is if you hold the plier with the length of the tool parallel to the ground and the handles aligned in the vertical plane...you have to purpose to open the Snap-Ons but many of my Knipex will 'fall' open on their own under the force of gravity if you let go of the lower handle.

Most thought the proper operation was the fall open principle for fatigue reasons. However, I'm not so sure. I think I prefer having to purpose to open the pliers but the joint should be smooth and nearly effortless to do so. I have some 20+ old Snap=Ons and even old quality Craftsmans that are still like this, even with all the work they have done.

Snap-On vs. Knipex in pliers/cutters is a topic that is interesting to me because I need to thin down my pliers/cutters drawer and a lot of the decision making will be to keep Snap-On or Knipex in needle nose / cutters. I don't need both but it is a tough call. I wonder if the joints on the newer Snap-On manufactured pliers/cutters will smooth out and be more free (without slop of course) over the long run. I would give the edge to Snap-On for long term warranty, for sure. I always thought the finishing on the Knipex was slightly better. There is no doubt they have very different constructions, the Snap-On with beefy, overbuilt handles and the Knipex more traditional and thinner.

edit: here is that discussion, sorry I cleared the pics:

http://www.garagejournal.com/forum/showthread.php?t=45657&highlight=knipex&showall=1
 
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Hlidskjalf

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I love it when my pliers fall open on their own. I hate having to pry open the handles. Any well used tool will work in and not require pulling apart the handles.
 

Monte

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A tool should assist you in your work from day 1, that´s the purpose of a tool. If the tool work against you (plier handles don´t open easy for example) that´s not a good tool design.
 

MrMark

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MrMark - It is interesting on the tighness of the joint. I had a thread asking about just that, I noticed the trend for Snap-On to be quite tight in the joint, especially out of the box where a lot of Knipex I've purchased are not. Neither have 'slop' but the best way I can describe it is if you hold the plier with the length of the tool parallel to the ground and the handles aligned in the vertical plane...you have to purpose to open the Snap-Ons but many of my Knipex will 'fall' open on their own under the force of gravity if you let go of the lower handle.

Most thought the proper operation was the fall open principle for fatigue reasons. However, I'm not so sure. I think I prefer having to purpose to open the pliers but the joint should be smooth and nearly effortless to do so. I have some 20+ old Snap=Ons and even old quality Craftsmans that are still like this, even with all the work they have done.

Snap-On vs. Knipex in pliers/cutters is a topic that is interesting to me because I need to thin down my pliers/cutters drawer and a lot of the decision making will be to keep Snap-On or Knipex in needle nose / cutters. I don't need both but it is a tough call. I wonder if the joints on the newer Snap-On manufactured pliers/cutters will smooth out and be more free (without slop of course) over the long run. I would give the edge to Snap-On for long term warranty, for sure. I always thought the finishing on the Knipex was slightly better. There is no doubt they have very different constructions, the Snap-On with beefy, overbuilt handles and the Knipex more traditional and thinner.

edit: here is that discussion, sorry I cleared the pics:

http://www.garagejournal.com/forum/showthread.php?t=45657&highlight=knipex&showall=1

I tested the joints in the Snap-on cutters and needlenose vs. the Knipex. The Knipex joints are good but the Snap-on joints are perfect. Zero side play. They have no side play but they open easy enough and close easy enough. I have used the SO linemans as well. Other than linemans when doing electrical twisting I really do not want pliers that "fall open". I consider that a sign of a cheap worn out plier. The Snap-on solid feel is what I consider ideal.
 

sstetsen

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Finally... this is how you can test if you are getting one with properly mated cutting edges while in the store...(works for most types of cutters) Close the handles and apply light pressure. Then use your thumb and index finger to grab the cutting edges as pictured. Then slowly increase pressure in the handle areas until you are squeezing as hard as you can. If you feel any movement in the cutting edge area as you force the handles together you know you got a lemon... remember: 1. Light pressure to join cutting edges 2. grip cutting edges with fingers 3.hard pressure as you grip and force handles together...
Actually, ANY pliers could be and should be checked in such manner, not only diagonal cutters. Just grab with your fingers pliers' jaws and clench the handles. Any sensitive sidelong movement of jaws testify a problem with tool's geometry. I have been using this test for years, just try it yourselves and you'll be surprised how many pliers (cutting, gripping, combined) from the most famous manufacturers aren't perfect. Not only Knipex, but NWS, Bahco, Felo, Cimco and other European tools I own and have tested. That is the reason why I newer buy pliers by mail or Internet.
 
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HandyManny

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I once used a pair of new Snap-On diagonal cutters that would not cut clean. Happened when I was helping a friend with some automotive rewiring, they belonged to him. Also noticed that the cutting edges of those Snap-Ons seemed misaligned. So to prove it was misaligned I took an old dull double edged razor blade and tried to hold the blade straight between the cutters while clamping down on it. Clamping down on it made the blade canter to the side which told me the edges were misaligned. Also have had the same problem with a pair of Proto dykes I owned before, and Proto is one of my favorite brands when it comes to wrenches and sockets. Never had that problem with Channellock dykes. Never had it happen with Klien cutters either. Just my experience that the Snap-On cuters were not that great. Can't say anything about their linemans. I only own and have ever used Klein linemans and have not use Snappy linemans.
 
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