Transfer Punches

[Seano]

Can anyone tell me what the 1-60 hole size and A-Z range relate to in sets of transfer punches...Ta

 

[hotrodder]

They relate to number and letter drill sizes...
http://en.wikipedia.org/wiki/Drill_bit_sizes#US_number_and_letter_gauge_drill_bit_sizes
http://www.smithbearing.com/pdf/ENG-FractionalChart.pdf

 

[Seano]

As usual.....an aboslute mind of info, cheers hr