Sep 03, 2019 · there are hole saws in any size, just got to find them, rule of thumb is that 1 or 2 mm will be ok, any more and the light will flop about, not sit flush, fall back out. alternatly, get apass and a jab saw! 1john, 10 Aug 2010 #2. Thanks x 1 electronicsuk. Joined: 7 May 2007 Messages: 3,316 Thlnshire Country:
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