[CAUT] Aluminum hammer rail (Screw hole) repair

[Jim Busby]

Hi Ron,

 

They do. However, sometimes someone (Not me.....) Over tightens the
oversized screw and that is really where this new thingee works well.

 

Jim

 

________________________________

From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of
Ron Lindquist
Sent: Thursday, January 25, 2007 4:15 PM
To: College and University Technicians
Subject: Re: [CAUT] Aluminum hammer rail (Screw hole) repair

 

Was just going over the Yamaha 37 steps of regulating and Mr. Edwards
says they have the next oversize action screw and should go right in.
Anyone ever get or use them ?
Ron  from Wisconsin



At 02:58 PM 1/25/2007, you wrote:



List,
 
Here's a way to repair stripped screw holes (Especially if an oversized
screw strips) in an aluminum rail that takes less than a minute or two.
"Helicoils" is what they are called. (See attached pic.) 
 
You drill out the hole and tap it, then insert the little coil which
disappears into the tapped threads, and then you're good to go! Maybe
this has been shown on CAUT before, I don't remember seeing it. The new
screw is actually a machine screw with fine threads so it takes a few
more rotations, but this is way better than anything else I've ever
tried. The package shows a bolt, but what actually goes in has a
Phillips head and looks like a normal screw.
 
Jim Busby RPT
BYU

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