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G8HQP Dave · 13th Apr 2018, 7:42 pm

Most British built sets would have used BA threads. 4BA and 6BA were perhaps the most common.

13th Apr 2018, 7:42 pm	#5
G8HQP Dave Rest in Peace Join Date: Sep 2008 Location: Solihull, West Midlands, UK. Posts: 4,872	Re: Screw sizes for Bush VHF61 Most British built sets would have used BA threads. 4BA and 6BA were perhaps the most common.