Gadge
(.300 member)
24/11/09 09:38 PM
Re: Old rifle cleaning rod thread size???
Nope, it's a non-standard one. From back when standardised screw threads were a novel idea!
0.200" major diameter, Whitworth form [55deg, radiused crests/roots], maybe 26 tpi IIRC, as for BS Brass threads.
BSCycle thread form is 60 deg.