[Land-speed] Dzus Fastener Question

[Jim Dincau]

     Don't bother with countersinking the glass panel. On my street roadster 
tonneau I used a piloted counter bore with a diameter to clear the shoulder 
of the Dzus button hold down plate. I made a tool out of 1/16 steel with 
three #30 holes in it. One for the button hole and two for the rivet holes 
in the plate. Locate where you want the button just as if it was a metal 
panel, drill a #30 hole, attach the tool with a cleco and drill the two 
rivet holes, remove the tool and open up the center hole with the counter 
bore. This leaves a nice clean non feather edged hole in the glass. It helps 
to orient the rivet holes in the plate at 90 degrees to the rivets holding 
the Dzus spring to avoid interference.
Jim Dincau

----- Original Message ----- 
From: "Larry Mayfield" <drmayf at mayfco.com>
To: <land-speed at autox.team.net>
Sent: Friday, June 08, 2012 6:43 AM
Subject: [Land-speed] Dzus Fastener Question
>I have all the tools for installing all manners of Dzus fasteners.
> Except one, lol. I am going to use self ejecting buttons on fiberglass
> and that will require that I "dimple" the fiberglass in order to install
> the button and spring assy.  Large drill bits seem to have the wrong
> angle and shape: so what works? .......... mayf
drmayf at mayfco.com
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