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I am considering an entry -level auto tech work and while I have most tools, I have no impact sockets. Which kind do I need, metric and SAE? Do I need a complete set of deep also? I want to get the most useful first.
I would say get the metric deep set first,they will work on most of the areas where a shallow will and if they are impact they wont be very easy to break anyway.
Keep an eye on ebay as you can find some good deals there. I got a set of new deep socket metric Ingersol Rand impact sockets for about $55 including shipping.
I find my impact sockets to be extremely useful, so I would say buy as complete a set as you can. The deep set is a good idea if you have to limit spending, because they can usually do the job of the shallow as King Triton said. A good place to look is harborfreight.com They have name brands such as Ingersoll Rand, and they also have their own Pittsburgh brand. I have tried the Pittsburgh sockets, as far as I'm concerned, you can't go wrong for what they cost(about $40 for an extensive set).
I have complete Metric and SAE deep sets from Harbor Freight that have been augmented with a few sockets that did not come in the sets. I use the metric set most and have never had a failure. I also have a SAE std depth set that gets used every once in a while.
Ford is real fond of using 18MM bolts which nothing fits but an 18MM.
Personally, I hate tools from Harbor Freight.
I've had impact sockets break on the the very first use. The HF by my house offers a Lifetime type of warrantee, but it's very frustrating when the tools keep breaking and you have to keep going back.
As far as sockets and most other handtools are concerened, look for brand name - much less hassle.
I have had Craftsman tool break on the very first use also, some have injured me. It only pays to depend on the real name brand tools like SK and a few others that actually make their own tools for the most part.
I would say get the metric deep set first,they will work on most of the areas where a shallow will and if they are impact they wont be very easy to break anyway.
Agreed, this is a good first choice. No telling how many thin wall deep sockets I have split. Also, tend to buy six point sockets, not 12 points. I haven't used a 12 point in years. I almost excusively grab for my 3/8 deep impact 6 point sockets and a 3/8 ratchet and extension when I work. I use my 3/8 air ratchet when I can, as well as my impact wrench, but many times I am not taking off enough bolts to go to the trouble of turning on the air compressor, unrolling the air hose, etc, so just strong arm it.
However any mechanic will tell you, that at times, there is not enough clearance around a bolt, and a thin wall socket is needed, both standard or deep. I have been buying the 6 point open end / box end combo wrenches as well Sure like them , too.
Personally, I hate tools from Harbor Freight.
I've had impact sockets break on the the very first use. The HF by my house offers a Lifetime type of warrantee, but it's very frustrating when the tools keep breaking and you have to keep going back.
As far as sockets and most other handtools are concerened, look for brand name - much less hassle.
Sorry, Harbor Freight, but I agree. Most of the tools I ever tried from Harbor Freight were poor quality, made from inferior metals. In fact, almost any tool made in Asia I bought is poor quality. Much of the Japanese stuff is good, English and German is good, but for the most part, the name brand USA stuff is great. Plus in the chance of breakage, you can get it warranteed.
We found out something that I can't quite explain(maybe some one else knows the theory), but we tried taking lug nuts off with one of those lower quality impact air guns and a 12 point socket, and it would not remove them. We thought "Oh well, chalk it up to not spending enough on the air impact", but later we did buy a set of 6 point impact sockets, and found out the air impact would take them off. It will not take them off with the 12 point chrome socket, but take that off and put on the black impact socket, and it will take the lug nuts off. Curious ain't it?
I have almost all snap-on tools, that said I think the 1/2drive Craftsman Impact sockets in the sets for $75 are pretty good, six point flank drive and very strong, but also very thick. I have used SK for many years and they make good products as well.
I have cummins impact sockets. I paid $20 for a set (I have both SAE and Metric deep well). I run 175 PSI to my 1/2 inch impact and never had a problem with any of their sockets. They travel the country in trucks selling tools. I think they are based in Kansas or Nebraska. I think they are online too. I just use standard sockets for the smaller impacts and air ratchets, never had a socket break yet.
We found out something that I can't quite explain(maybe some one else knows the theory), but we tried taking lug nuts off with one of those lower quality impact air guns and a 12 point socket, and it would not remove them. We thought "Oh well, chalk it up to not spending enough on the air impact", but later we did buy a set of 6 point impact sockets, and found out the air impact would take them off. It will not take them off with the 12 point chrome socket, but take that off and put on the black impact socket, and it will take the lug nuts off. Curious ain't it?
A six point has more flank area, so it will transfer more torque to the fastener. Not to mention that they slip less, and the thicker impact sockets don't distort like a thin-wall chrome socket.