For those who are unsure of number and letter sizes.
The linked table should give you the sizes in imperial and metric dimensions. Print and post on the wall of the workshop.
https://www.smithbearing.com/images/pdf/ENG-FractionalChart.pdf
Ken
The linked table should give you the sizes in imperial and metric dimensions. Print and post on the wall of the workshop.
https://www.smithbearing.com/images/pdf/ENG-FractionalChart.pdf
Ken