Drilling holes in smaller 1/2 cold roll steel - Router Forums
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post #1 of 11 (permalink) Old 07-27-2012, 11:09 AM Thread Starter
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Default Drilling holes in smaller 1/2 cold roll steel

I am in the process of building a roll away chest. I have some 1/2 cold roll steel rod, I would like to use as axles for the wheels. The rod will be strong enough to support the cabinet.
My dilemma is, finding a way to hold the rod and drill accurate holes straight through the rod to put the wheels on and hold them in place without threading each of the ends. I will using the rod to go through a 1" piece of angle iron on the bottom of the cabinet.

Does any one know of an easy and accurate way to hold the rod in place while drilling?

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post #2 of 11 (permalink) Old 07-27-2012, 11:16 AM
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How about a V-groove in a little piece of wood?

If you need a more secure hold, you can also screw another piece on top to press on it from above.

Or countersink a 1/4" carriage bolt from below and use a knob to pull the top piece down. that will definately be able to hold it still

Last edited by Chris Curl; 07-27-2012 at 11:21 AM.
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post #3 of 11 (permalink) Old 07-27-2012, 11:29 AM Thread Starter
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thanks Chris, I will give these a try. Sounds like a very workable solution.

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post #4 of 11 (permalink) Old 07-27-2012, 11:30 AM
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something like this ...
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post #5 of 11 (permalink) Old 07-27-2012, 06:57 PM
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V blocks are common machine shop tools and they work well. Another method is to drill a hole the size of your rod in a wooden block, slide the rod into the block and then drill through both.

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post #6 of 11 (permalink) Old 07-27-2012, 11:55 PM
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Quote:
Originally Posted by Mike View Post
V blocks are common machine shop tools and they work well. Another method is to drill a hole the size of your rod in a wooden block, slide the rod into the block and then drill through both.
Cool idea Mike. I've had a set of small v-blocks for years but I really like this idea. I have a project in mind that requires drilling through a 1 1/4" dowel. I think I'll try this idea because the dowel is bit large for my v-blocks.

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post #7 of 11 (permalink) Old 07-28-2012, 06:17 AM
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Quote:
Originally Posted by Mike View Post
V blocks are common machine shop tools and they work well. Another method is to drill a hole the size of your rod in a wooden block, slide the rod into the block and then drill through both.
Mikes very right, great asset to the workshop.
I bought a set a year or so back.
I use the set of 2 1/2" Vee Blocks on the drill press all the time.
Not only for drilling holes through round timber, but also for clamping timber vertical in the "vee", to get a centred hole through a length of timber [axle supports for toy truck/car making].
Cheers, crowie
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post #8 of 11 (permalink) Old 07-28-2012, 06:37 AM
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V-Groove/clamps and a nice small chisel to place a inward starting crater into the 1/2 rod. Remember steel drills have a different angle and should be sharp.
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post #9 of 11 (permalink) Old 07-28-2012, 07:32 AM
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Once you start building your own jigs you will find many uses for a large diameter V bit. The size range I am talking about is 1-1/2" - 2" diameter like the one shown. One pass in a piece of 2x4" and you have a nice V block for drilling dowels. Another very handy item is a set of 123 blocks. They get their name from their dimensions: 1" x 2" x 3". These make it easy to position jigs and fixtures and the cheapest set you can find will do the job.
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post #10 of 11 (permalink) Old 07-28-2012, 10:29 AM
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Quote:
Originally Posted by Mike View Post
Once you start building your own jigs you will find many uses for a large diameter V bit. The size range I am talking about is 1-1/2" - 2" diameter like the one shown. One pass in a piece of 2x4" and you have a nice V block for drilling dowels. Another very handy item is a set of 123 blocks. They get their name from their dimensions: 1" x 2" x 3". These make it easy to position jigs and fixtures and the cheapest set you can find will do the job.
Re the vee blocks, a few of those, in hardwood, with belt clamp, would make box assembly (cabinets) a bit easier I think.
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