NAAMS Shims and Spacers

NAAMS shims and spacers, fixture shims, NAAMS spacers, tooling shims, stack-up adjustment shims, welding fixture alignment shims, automation fixture spacers, NAAMS standard components

NAAMS shims are ideal for filling small gaps or spaces in your automation setups. These metric-fitting shims comply with North American Automotive Metric Standards and feature a slotted design for easy installation in tight spaces between components or workpieces. Available thicknesses include 0.25 mm, 0.50 mm, 1.00 mm, and 2.00 mm. The 0.50 mm shims have a yellow zinc dichromate coating, 1.00 mm shims come with a black oxide finish, while the 0.25 mm and 2.0 mm versions are uncoated and can be identified by their thickness. Shims not only help achieve a better fit but can also be used with spacers to fill gaps as needed. Contact Sales@freertool.com or 586-463-3200 for a quote.

NAAMS spacers are designed to fill larger gaps where shims aren’t sufficient. These metric spacers come in a variety of hole configurations: Series 200, 300, 400, and 500 feature adjacent holes, with the series number indicating the number of holes (e.g., Series 300 has three holes, Series 400 has four, and Series 500 has five). Series 600 spacers offer six holes, arranged as three parallel holes on each side. Narrow spacers, measuring 20 mm in width, are available in Series 300, 400, and 500. Slotted spacers also come in Series 300, 400, 500, and 600, all with a 20 mm width. Custom spacers are available upon request. Contact Sales@freertool.com or 586-463-3200 for a quote.

Aside from the standard series, our NAAMS spacer offerings also include a 3-slot construction spacer, mounting spacers, and shock bracket spacers. You can browse all of our NAAMS shims and spacers or see the full catalogs below.

At Freer Tool & Supply, we're able to offer both NAAMS shims and spacers at a great value without compromising quality with ISO 9001:2015 compliance.

Full catalogs can be found by following the links below.
NAAMS Shims
NAAMS Spacers
Complete NAAMS Catalog


NAAMS Spacer ACS344S

NAAMS Spacer ACS344S

SKU: FN-ACS344S
MPN: ACS344S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS346S

NAAMS Spacer ACS346S

SKU: FN-ACS346S
MPN: ACS346S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS348S

NAAMS Spacer ACS348S

SKU: FN-ACS348S
MPN: ACS348S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS350S

NAAMS Spacer ACS350S

SKU: FN-ACS350S
MPN: ACS350S

Sale price $6.90 List price $7.15
Save $0.25
NAAMS Spacer ACS352S

NAAMS Spacer ACS352S

SKU: FN-ACS352S
MPN: ACS352S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS354S

NAAMS Spacer ACS354S

SKU: FN-ACS354S
MPN: ACS354S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS356S

NAAMS Spacer ACS356S

SKU: FN-ACS356S
MPN: ACS356S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS358S

NAAMS Spacer ACS358S

SKU: FN-ACS358S
MPN: ACS358S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS360S

NAAMS Spacer ACS360S

SKU: FN-ACS360S
MPN: ACS360S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS362S

NAAMS Spacer ACS362S

SKU: FN-ACS362S
MPN: ACS362S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS364S

NAAMS Spacer ACS364S

SKU: FN-ACS364S
MPN: ACS364S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS366S

NAAMS Spacer ACS366S

SKU: FN-ACS366S
MPN: ACS366S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS368S

NAAMS Spacer ACS368S

SKU: FN-ACS368S
MPN: ACS368S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS370S

NAAMS Spacer ACS370S

SKU: FN-ACS370S
MPN: ACS370S

Sale price $7.43 List price $7.70
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NAAMS Spacer ACS602

NAAMS Spacer ACS602

SKU: FN-ACS602
MPN: ACS602

Sale price $3.22 List price $3.34
Save $0.12
NAAMS Spacer ACS605

NAAMS Spacer ACS605

SKU: FN-ACS605
MPN: ACS605

Sale price $3.22 List price $3.34
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NAAMS Spacer ACS610

NAAMS Spacer ACS610

SKU: FN-ACS610
MPN: ACS610

Sale price $3.22 List price $3.34
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NAAMS Spacer ACS620

NAAMS Spacer ACS620

SKU: FN-ACS620
MPN: ACS620

Sale price $3.22 List price $3.34
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NAAMS Spacer ACS630 DSCP035-M300

NAAMS Spacer ACS630 DSCP035-M300

SKU: FN-ACS630
MPN: ACS630, DSCP035-M300

Sale price $6.42 List price $6.66
Save $0.24
NAAMS Spacer ACS632 DSCP035-M320

NAAMS Spacer ACS632 DSCP035-M320

SKU: FN-ACS632
MPN: ACS632, DSCP035-M320

Sale price $6.42 List price $6.66
Save $0.24
NAAMS Spacer ACS634 DSCP035-M340

NAAMS Spacer ACS634 DSCP035-M340

SKU: FN-ACS634
MPN: ACS634, DSCP035-M340

Sale price $6.42 List price $6.66
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NAAMS Spacer ACS636 DSCP035-M360

NAAMS Spacer ACS636 DSCP035-M360

SKU: FN-ACS636
MPN: ACS636, DSCP035-M360

Sale price $6.42 List price $6.66
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NAAMS Spacer ACS638 DSCP035-M380

NAAMS Spacer ACS638 DSCP035-M380

SKU: FN-ACS638
MPN: ACS638, DSCP035-M380

Sale price $6.42 List price $6.66
Save $0.24
NAAMS Spacer ACS640 DSCP035-M400

NAAMS Spacer ACS640 DSCP035-M400

SKU: FN-ACS640
MPN: ACS640, DSCP035-M400

Sale price $6.42 List price $6.66
Save $0.24