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SPI Surface Roughness Standards
SPI Surface Roughness Standards is only available to buy in quantities of 1
Product Information
Economy set of 30 specimens, 7/8 in x 3/8 in electro formed, solid nickel. Ideal for use by draftsmen, engineers, machinists, etc. Conforms to S.A.E. and military specifications for visual and tactile inspections. Complete in special wallet.
Technical Specification
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