If applicable, enter the nubbin width. This value is only required for facing sketches 1c, 1d, 2 and 6. For sketch 9, however, this is not a nubbin width. Instead, it is the contact width of the metallic ring.
If applicable, enter the nubbin width. This value is only required for facing sketches 1c, 1d, 2 and 6. For sketch 9, however, this is not a nubbin width. Instead, it is the contact width of the metallic ring.