1.6mm or 1.2 is the size of piercing bars. Also quite handy - they don't rust.
I have a tap and die for a 1.6mm bar and some spare bar so I could do some checking if you want.
@O'Shane started
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1.6mm or 1.2 is the size of piercing bars. Also quite handy - they don't rust.
I have a tap and die for a 1.6mm bar and some spare bar so I could do some checking if you want.