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Radiators and their stupid M4 threading!!!!! - Page 3

post #21 of 34
Have you tried fastenal? They have several locations in Lexington.
http://www.fastenal.com/web/location...ngton&state=KY

You usually have to buy a box of 100 but they are quality screws and a box of a 100 is not much more than a small package of screws at Homedepot or the local hardware store. The quality at HomeDepot or hardware is usually cheap zinc.

http://www.fastenal.com/web/products...=1&searchBox=1
Edited by sgilmore62 - 2/8/11 at 5:05pm
    
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post #22 of 34
Quote:
Originally Posted by fat_italian_stallion View Post
Every company needs to switch to 6-32 threading for radiators. I just went out to purchase M4 screws for my build and the total with nuts and lock washers was $49. That's completely absurd. 6-32 would have been 1/3 the price if that. How do they warrant charging so much for something so small? seriously... I've spend more money on screws for this build in total than fans.

You've been exploited. Your lack of knowledge steers you to go to stores like Lowe's or Home Depot. Their prices on fasteners (nuts, bolts, screws, etc.) are ungodly expensive. They give you like 10 screws for $5, a total rip-off. What you need to find is a local hardware store that buys in bulk and sells to contractors. In every town there about 1 or 2 really good ones that carry all sorts of fasteners at very reasonable prices.
Quote:
Originally Posted by fat_italian_stallion View Post
I just don't understand why they are so expensive. Cars use metric and those sized screws commonly used by automobiles are rather inexpensive for their size. These miniature screws are like $.40 each. What the heck.
Obviously you haven't priced out automotive screws lately. They're considerably more expensive than the screws you're pricing out. For instance I just bought 3 8mmx25mm and 2 8mmx65mm screws and they cost me in excess of 6 bucks.

One way of keeping costs down on screws, however, is to look at the hardness grade. There's no reason you need to be buying grade 8.8 screws for a radiator on a computer. IMO, they shouldn't be hardened at all.
Quote:
Originally Posted by Artikbot View Post
Forgot to say that the Metric system also applies more force with each turn you do. The screws (comparing similar diameters and same building alloys) in Metric are also harder to strip than the Imperial ones, due to their threads being closer and less angled (from an horizontal PoV)

On the downside, they need more turns than an Imperial one to go completely in.
That's a complete fallacy. That is determined by thread pitch (you can read more about that here), and not whether it's standard or metric.

For what it's worth, everything in the US is shifting towards metric. Cars have been metric since the 80's (for the most part).
Appliances, since they're made in China now, are all metric as well.

Only old things are still standard thread.
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post #23 of 34
Stallion, besides mcmastercarr.com and the local availabilities, I find a good selection of both metric and sae screws on amazon.

Damn, I have a bunch of unused M4 screws and nuts. Pm if you want them
post #24 of 34
Pretty sure you can buy single screws on Amazon with free prime shipping.
    
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post #25 of 34
Thread Starter 
Quote:
Originally Posted by wermad View Post
Stallion, besides mcmastercarr.com and the local availabilities, I find a good selection of both metric and sae screws on amazon.

Damn, I have a bunch of unused M4 screws and nuts. Pm if you want them
Thanks for the offer, but I bought all that I would need for both stages of my upgrade. I literally bought every m4 x 35 and m4 x30 in lexington. Home depot/ lowes didn't carry them so I had to go to smaller places like ace that charged a fortune. /fail on my part

Quote:
Originally Posted by BlackOmega View Post
You've been exploited. Your lack of knowledge steers you to go to stores like Lowe's or Home Depot. Their prices on fasteners (nuts, bolts, screws, etc.) are ungodly expensive. They give you like 10 screws for $5, a total rip-off. What you need to find is a local hardware store that buys in bulk and sells to contractors. In every town there about 1 or 2 really good ones that carry all sorts of fasteners at very reasonable prices.

Obviously you haven't priced out automotive screws lately. They're considerably more expensive than the screws you're pricing out. For instance I just bought 3 8mmx25mm and 2 8mmx65mm screws and they cost me in excess of 6 bucks.

One way of keeping costs down on screws, however, is to look at the hardness grade. There's no reason you need to be buying grade 8.8 screws for a radiator on a computer. IMO, they shouldn't be hardened at all.

Only old things are still standard thread.
Lowes and home depot don't sell metric. I tried on my last build and the quality of their screws are utter crap. quite large grade 8 automotive screws were only around $2 at fastenal/ autozone for when I was building my sandrail... proportionally much cheaper than these miniature M4s. Those screws you bought are much thicker than these little M4s and for the amount of metal used much cheaper. I'm not going to buy crappy screws for my build. I've spent $9k so far so no reason to skimp on a few $ and get non stainless ones.
 
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post #26 of 34
Quote:
Originally Posted by fat_italian_stallion View Post
Every company needs to switch to 6-32 threading for radiators. I just went out to purchase M4 screws for my build and the total with nuts and lock washers was $49. That's completely absurd. 6-32 would have been 1/3 the price if that. How do they warrant charging so much for something so small? seriously... I've spend more money on screws for this build in total than fans.
When I got my radiators, I realized the screws where too short.
Took me a day to find the currect shop, and I got 150 screws (35, 40 and 60mm lenghts) and spacers for 10$ at a local hardware store.

I'm not sure where you bought your screws, but you got really, badly, screwed (yes, I did that too ).
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post #27 of 34
I'm lucky I have one really good bolt harware store in town.

I'd also rather have M4 than M3 which is a total cross thread happy size.

Everyone has gone G1/4..may as well go M4 on the rad fan threads.
    
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post #28 of 34
Why not buy a 6-32 tap and then tap your rads to 6-32 thats what I did
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post #29 of 34
Quote:
Originally Posted by Martinm210 View Post
I'm lucky I have one really good bolt harware store in town.

I'd also rather have M4 than M3 which is a total cross thread happy size.

Everyone has gone G1/4..may as well go M4 on the rad fan threads.


Umm, you realize that G1/4 is a non-metric standard, don't you? ItIf you're wanting consistency of units/standards you should be wanting 6/32 not M4.


G1/4, A.K.A British Standard Pipe P:
http://en.wikipedia.org/wiki/British...rd_pipe_thread
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post #30 of 34
Quote:
Originally Posted by Skripka View Post


Umm, you realize that G1/4 is a non-metric standard, don't you? ItIf you're wanting consistency of units/standards you should be wanting 6/32 not M4.


G1/4, A.K.A British Standard Pipe P:
http://en.wikipedia.org/wiki/British...rd_pipe_thread
Yeah I know, I bought a tap and 11.8mm bit for it a long time ago. It's not something you can find fittings or tap for in your home depot. Metric/BSPP are similar in being something not standard locally is all.

I personally like the finer M4 thread over 6-32, but either is ok by me. I just don't like the self tapping screw rads like the old PAs. I did have to break out my taps for that one...wasn't much fun.
Edited by Martinm210 - 2/9/11 at 8:56am
    
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