These NAAMS shims are compliant with the NAAMS Standards, or North American Automotive Metric Standards. They have a two-slot construction design sized at 10.5 ± 0.20 mm. The rounded ends of all of the slots are true radius one-half of the width. The materials used for these NAAMS shims are cold rolled strip steel S.A.E. 1010 full hard.
ACH shims are offered in 0.25mm (uncoated), 0.50mm (yellow zinc), 1.00mm (black oxide), and 2.00 (uncoated). Find the NAAMS shims in the ACH series you are looking for below or follow the corresponding NAAMS code in the table.