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Old 08-05-2007, 02:37 PM #1
frobs
 
 
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Questions concerning bolts(fasteners)

Not paintball bolts, but bolts as in threaded fastening objects...

What is it called when a bolt isn't completely threaded throughout the whole bolt? As in the whole bolt has a head then a long non-threaded portion, and at the very end it is threaded?

And also, where could I find bolts like this that could be small enough to, say, screw into a tippmann valve to replace the valve stem to cut off blowback? I have looked around hardware stores and there is nothing small enough, and also online. Unfortunately I don't know the real name for them so my searches are probably sloppy.
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Old 08-05-2007, 03:52 PM #2
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lowes has a ton of those kind of bolt im not sure what they are collade tho
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Old 08-05-2007, 04:12 PM #3
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Quote:
Originally Posted by fretmelter View Post
collade tho
omg........

but anyways i am not sure if you can find a bolt that small, and especialy with the same threading, but you could just use some jb weld to seal the blowback.
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Old 08-05-2007, 08:55 PM #4
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I don't seem too fond of that though, I think it could chip off way too easily and would rather do something more sturdy, remember, the valve pin is going to be pounded by a pneumatic ram.
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Old 08-05-2007, 11:18 PM #5
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yeah so what if i spell things funny maby i mean to do tht -_-
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Old 08-06-2007, 02:51 PM #6
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I'm sorry fretmelter but I haven't seen you make an educated post since i started coming back to the Voided Warranty.
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Old 08-06-2007, 08:19 PM #7
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Back to bolts.....

Generally bolts come with a threaded segment of about 5 to 6 diameters and any extra is unthreaded. Any remaining unthreaded portion is just the unthreaded body or shank of the bolt.

If you need a longer bolt that is completely threaded then what you're after is a machine screw instead of a bolt. Machine screws come with the entire length threaded. But machine screws normally only come in sizes up to around 1/4 to 3/8 or so unless you're rich and can special order a skid of them.
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Old 08-06-2007, 08:30 PM #8
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Alright thanks alot. Well I'm not looking for a machine screw so that is good news. Unfortunately a regular bolt must not come in the size i'm looking for also.
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