In message
<blupr02mb116447b5e0b41fb24d139cfc1...@blupr02mb116.namprd02.prod.outlook
.com>, dated Mon, 2 Mar 2015, Brian Oconnell <oconne...@tamuracorp.com>
writes:
The 'star' washer should be gas-tight seal.
But it has much less thermal capacity than a screw. It would require a
much higher current to vaporize a screw.
If a serrated-headed screw is even less of seal, than higher risk-level
indicated.
Who said it has even less of a seal?
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I turn my back on the sun, it's to look for a rainbow
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
-
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