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post #1 of 23 (permalink) Old 03-12-2012, 11:45 AM Thread Starter
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Question Cutting carriage bolts

A big part of getting my shop setup is making the fences and hold downs and all that stuff. So I bought some T-Track for 1/4-20 bolts and am buying a box of 6" long 1/4" carriage bolts to cut to size as needed. I will grind the sides of the head flat to fit the track. Hence the question:

How do YOU cut YOUR bolts and make sure the threads are clean at the cut?

I was thinking about a process like:

- put one of those long coupling nuts on where I want to cut
- hold it in a vise
- cut it flush to the coupling nut with a hack saw or sawsall
- grind it smooth
- take the nut off to ensure the threads are clean
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post #2 of 23 (permalink) Old 03-12-2012, 12:04 PM
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Hello!
Not bad method, sure works !
I do use a metal hand saw with 32 teeth by inch.
The nut that you will talke out after cut will restore the tread.
I do it all the time this way.
I just add a litle angle griding 60 off the perpendicular, at end of thread keeping the screw turning in my fingers.
Like wanting to make a sharp point but just a little grindind.
Most of times works very well and the bold not forcing.

Regards
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post #3 of 23 (permalink) Old 03-12-2012, 12:09 PM
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Hi

I use a small cut off tool like below, then I take the bolt to the grinder and clean up the end to remove the small lip left in place by the cut..

6" Cut-Off Saw

http://www.grizzly.com/products/G8183
http://cdn0.grizzly.com/manuals/g8183_m.pdf

I have a small cut off tool stand I got from Grizzly for 20.oo and it holds a small side grinder that I don't use all the time as a grinder..

==



Quote:
Originally Posted by Chris Curl View Post
A big part of getting my shop setup is making the fences and hold downs and all that stuff. So I bought some T-Track for 1/4-20 bolts and am buying a box of 6" long 1/4" carriage bolts to cut to size as needed. I will grind the sides of the head flat to fit the track. Hence the question:

How do YOU cut YOUR bolts and make sure the threads are clean at the cut?

I was thinking about a process like:

- put one of those long coupling nuts on where I want to cut
- hold it in a vise
- cut it flush to the coupling nut with a hack saw or sawsall
- grind it smooth
- take the nut off to ensure the threads are clean


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Last edited by bobj3; 03-12-2012 at 01:17 PM.
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post #4 of 23 (permalink) Old 03-12-2012, 01:56 PM Thread Starter
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thanks folks
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post #5 of 23 (permalink) Old 03-13-2012, 07:49 AM
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I usually buy toilet flange bolts. They have a thin oval head, work well in T tracks, and come in various lengths. There is also a long version with gaps in the threads at several standard lengths to allow for easy cutting without damaging the threads. Don't look in the hardware section for them. They are in the plumbing supply area.

Charley
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post #6 of 23 (permalink) Old 03-13-2012, 09:13 AM Thread Starter
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Are the toilet flange bolts 1/4-20?
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post #7 of 23 (permalink) Old 03-13-2012, 10:06 AM
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Chris
The bolts usually come in 1/4-20 and 5/16-?.

Al
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post #8 of 23 (permalink) Old 03-13-2012, 11:16 AM
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Hi


The down fall for toilet flange bolts, they are Brass and are plated the norm and we all know what brass cost now days one toilet bolt for about 60 cents or one carr. bolt for 10 cents or less but that's up to you,plus the look you will get from a mate when you tell him I use toilet bolts..but I will say they now are selling steel toilet flange bolts to get the price down like every thing else ,make them cheaper they will buy them..but they are still high price items..

===




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post #9 of 23 (permalink) Old 03-13-2012, 01:25 PM Thread Starter
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My home depot sells the toilet bolts for $3.50 a pair. They are out.

Bob, where do you get your carriage bolts for 10 cents? Loclly, they are at best 30 cents for a 4" CB (Home Depot).

I found a guy on ebay who sells the 4" carriage bolts (100 per lot) for $16.75 shipped. That works out to just under 17 cents per bolt. It would take a very long time to use them all.

I setup my shop built grinder and ground off about 10 carriage bolts. It takes about 10 seconds per grind. The fit great in my t-track. I'm a happy guy!

Now I just need to make a little chop saw to cut them and the t-track, and then I'll be a REALLY happy guy!

I guess I could use the other side of the grinder for a cut off wheel ...

Last edited by Chris Curl; 03-13-2012 at 01:28 PM.
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post #10 of 23 (permalink) Old 03-13-2012, 02:16 PM
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Bob, that is a really awesome little tool. I do a little metal working for fun, something like that would be a great alternative to a full scale cut off tool.

That said, a hack saw and a flat metal file is all you need to make the occasional bolt shorter!
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