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Author: Subject: Drilled bolts
tegwin

posted on 26/1/11 at 10:39 PM Reply With Quote
Drilled bolts

Anyone know where I can get drilled bolts from (if such things exist)

Basically an m6 bolt with a hole drilled down the middle so I can pass an electrical wire through the center of the bolt...

(not through the head, but through the actuall shaft...)

I cant realistically make them... I need about 1000 of the buggers...

[Edited on 26/1/11 by tegwin]





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MakeEverything

posted on 26/1/11 at 11:05 PM Reply With Quote
quote:
Originally posted by tegwin
Anyone know where I can get drilled bolts from (if such things exist)

Basically an m6 bolt with a hole drilled down the middle so I can pass an electrical wire through the center of the bolt...

(not through the head, but through the actuall shaft...)

I cant realistically make them... I need about 1000 of the buggers...

[Edited on 26/1/11 by tegwin]


Like Banjo Bolts or do you want the hole to go through the head AS WELL AS the shank?





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NigeEss

posted on 26/1/11 at 11:06 PM Reply With Quote
What length/material ?

A google for "M6 hollow bolts" found a few results, mainly alloy for deraillier applications.

ebay linky





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PSpirine

posted on 26/1/11 at 11:30 PM Reply With Quote
Incidentally, at $3 a bolt (that link above), it'd be far cheaper to get someone with a lathe to make up 1000 for you
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tegwin

posted on 26/1/11 at 11:38 PM Reply With Quote
quote:
Originally posted by PSpirine
Incidentally, at $3 a bolt (that link above), it'd be far cheaper to get someone with a lathe to make up 1000 for you


Yeah, I am thinking that...

Or design a different solution that doesnt need the bolts... bugger...





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smart51

posted on 27/1/11 at 09:25 AM Reply With Quote
I've just had 2 M10 bolts drilled on a lathe for the same reason. You have to remember that the drilled hole will not be plated.






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HowardB

posted on 27/1/11 at 09:37 AM Reply With Quote
if you need a bolt manf, I can put you in touch with someone, they make bolts in the UK, and a hole down the middle should be only a small challenge.


hth





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mad4x4

posted on 27/1/11 at 12:27 PM Reply With Quote
What about getting some tube and running a DIE up it to thread the outside?





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MK9R

posted on 27/1/11 at 01:06 PM Reply With Quote
quote:
Originally posted by tegwin
Anyone know where I can get drilled bolts from (if such things exist)

Basically an m6 bolt with a hole drilled down the middle so I can pass an electrical wire through the center of the bolt...

(not through the head, but through the actuall shaft...)

I cant realistically make them... I need about 1000 of the buggers...

[Edited on 26/1/11 by tegwin]


A bloke in the workshop next door said he would supply them at a £1.10 a bolt??





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Strontium Dog

posted on 27/1/11 at 01:42 PM Reply With Quote
I can do them for you if you need them turned bud. We can discuss when you drop that jig back if you like.
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Madinventions

posted on 27/1/11 at 01:51 PM Reply With Quote
Lewvac stock drilled bolts. Link
Have a look in the online catalogue. No idea about price - sorry.

Ed.





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Alan B

posted on 27/1/11 at 02:15 PM Reply With Quote
I'm puzzled how anyone could quote this TBH...I don't see a bolt length, or the required hole diameter...both VERY important pieces of info. for quoting 1000 parts.

For example an M6 x 15mm long with a 4mm hole would be way cheaper than an M6 x 75mm long with a 2mm hole....extreme examples but you see my point...

Unless of course I missed that info. in which case this post is pointless.......

Also, as NigeEss says .....what material?...very significant info. too.

[Edited on 27/1/11 by Alan B]

[Edited on 27/1/11 by Alan B]

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tegwin

posted on 27/1/11 at 05:23 PM Reply With Quote
quote:
Originally posted by Strontium Dog
I can do them for you if you need them turned bud. We can discuss when you drop that jig back if you like.


Haa... a man of many tallents..

Yes.. I do need to come see you and return your jig...





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smart51

posted on 27/1/11 at 07:10 PM Reply With Quote
quote:
Originally posted by Alan B

For example an M6 x 15mm long with a 4mm hole would be way cheaper than an M6 x 75mm long with a 2mm hole....extreme examples but you see my point...


I'm not sure I'd like to drill a 4mm hole up a 6mm bolt. It doesn't leave you much margin for error. I take your point though.






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