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  • Product Code: #30-695-1

    Surface Roughness Standards

    Price: $142.00 $130.64
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    Product Description

    30-695-1 SPI Surface Roughness Standards

    The SPI 30-695-1 Surface Roughness Standards has the following features:

    • Economy Set of 30 specimens, 7/8" x 3/8" electro formed, solid nickel
    • Ideal for use by draftsmen, engineers, machinists, etc.
    • Each type of surface finish is truly and consistently reproduced, offering a realistic idea of the feel, appearance and texture of the machined components
    • Conforms to S.A.E. and military specifications for visual and tactile inspections
    • Instructions and graph correlating inch and metric surface values plu ISO "N" scale included in set
    • Complete in special wallet

    The SPI 30-695-1 Surface Roughness Standards include the following:

    • 3 pcs. Flat Lapping - 2, 4 and 8 u"
    • 3 pcs. Reaming - 16, 32, and 63 u"
    • 6 pcs. Grinding - 2, 4, 8, 16, 32 and 63 u"
    • 6 pcs. Horizontal Milling - 16, 32, 63, 125, 250 & 500 u"
    • 6 pcs. Vertical Milling - 16, 32, 63, 125, 250 & 500 u"
    • 6 pcs. Turning Milling - 16, 32, 63, 125, 250 & 500 u"
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