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13-669-7 SPI 1-2-3 Block Set 1-2-3 Blocks SPI
13-669-7 SPI 1-2-3 Block Set 1-2-3 Blocks SPI
13-669-7 SPI 1-2-3 Block Set 1-2-3 Blocks SPI
13-669-7 SPI 1-2-3 Block Set 1-2-3 Blocks SPI

13-669-7 SPI 1-2-3 Block Set

$ 132.66$ 106.13

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Product Description

Matched 1-2-3 Block Set

Features include...

  • Matched Pair
  • Precision ground and case hardened on all six surfaces.
  • Squareness of all sides to 0.0001"
  • 11 holes on three faces.
    • Five tapped holes (5/16" - 18) arranged for holding down and conversion to an angle plate.
  • Surface finish 6 to 16 micro inches.
  • Blocks are over sized to allow for normal lapping to 0.0003".