NAAMS Shims - ACH Series

Freer Tool & Supply’s NAAMS shims collection helps fixture builders fine-tune alignment, height, and stack-up for more repeatable welding, assembly, and automation setups. Shims are used to make precise adjustments between bases, risers, locators, clamps, and mounting components—helping correct minor variation, improve fit-up, and maintain consistent part location across high-cycle production.

These NAAMS shims are fully compliant with North American Automotive Metric Standards (NAAMS) and feature a two-slot construction, each slot measuring 10.5 ± 0.20 mm. The rounded ends of the slots have a true radius equal to half the slot width. Manufactured from S.A.E. 1010 full hard cold rolled strip steel, these shims ensure durability and precision.

For a recent NAAMS Standards catalog, click here.