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Unread 02-02-2004, 20:53
Mike M. Mike M. is offline
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Re: Save time? Use aluminum extrusion kits!

any time we can we try to eliminate t-nuts by just drilling and tapping to eliminate the t-nuts
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Unread 03-02-2004, 10:38
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Re: Save time? Use aluminum extrusion kits!

We eliminated T-nuts by using 1/4-20 square nuts and 1/4-20 x 1/2" button head cap screws. These work extremely well and are quite inexpensive compared to the metric t-nuts.

If you tighten them with a long-handled allen wrench or a 3/8" drive allen head socket then they will not come loose in competition. The hardened cap screws are very tough. None have broken in 2 years of competition.

The square nuts do not turn in the extruded channel, and can even be forced into the channel from the side if the end is blocked, just like T-nuts. We got them from MSC.
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