<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I personally would try to soak the offending post in a solution of baking soda or some other corrosion remover for a while and then gently tap the bolt on both sides. Continuing to do this will eventually loosen the bolt.This IS a thru bolt not something that is threaded. certainly one can drill it out using the step approach 1/8 " then 3/16 then 1/4 till you get to 5/16. Gently tapping or drilling you should find this removal easier then you thought. Tump<br><div><div>On Jan 20, 2016, at 5:34 PM, Ray Walters wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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The EZ out is for unscrewing a threaded connection, I've spent a
bunch of time with those only to have the EZ out break off in there
too. Then you've got a real mess of hardened tool steel.<br>
<br>
I would first drill several small 1/8" holes in the lead around the
circumference of the bolt. Then, I think tapping or pressing it out
is the way. The wheel puller would probably work. You'll end up
with an enlarged hole that you can either use a bigger bolt, or
washers to deal with. <br>
<br>
I agree some of the hardware that comes with cheaper L 16s, is
inferior. I've had plenty of those square heads come off with
minimal torque.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
<div class="moz-cite-prefix">On 1/20/2016 3:04 PM, Roy Rakobitsch
wrote:<br>
</div>
<blockquote cite="mid:CAL2u1ueSPZ5GzNWqWusJY+ea1qYpavO9NSBFPZwW1GcCzfFEXw@mail.gmail.com" type="cite"><p dir="ltr">Yup, id pre-drill and use an ez-out, or use a flaring
tool as a small press and drive it out. </p><p dir="ltr">RoyR</p>
<div class="gmail_quote">On Jan 20, 2016 3:54 PM, "Kristopher
Schmid" <<a moz-do-not-send="true" href="mailto:solman@legacysolar.com">solman@legacysolar.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Greetings,</p><p dir="ltr">Do any of you battery gurus have a suggestion for
a method of removing a bolt remnant that is corroded into a
flag terminal. Both sides snapped off flush with the flag.
I was thinking try to drill it out or maybe a small gear
pulling tool? I will never again use the non stainless
hardware supplied by the manufacturer...</p><p dir="ltr">Picture attached for reference.</p><p dir="ltr">Thanks!</p>
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