SPI 1-2-3 Block Set - 13-670-5

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13-670-5

SPI

SPI 1-2-3 Block Set - 13-670-5


Hardened steel to RC 55-60, ground to surface finish 6-16 microinches.


Matched 1-2-3 Blocks

  • Squareness of all sides within 0.0001"
    per inch on 1-2-3 Blocks, 0.0003"
    per inch on 2-3-4 Blocks.
  • Five tapped holes (3⁄8"-16)
    18 untapped holes (0.340" dia.).


0.0001 Squareness Per Inch, Hardened Steel, 1-2-3 Block with 23 Hole Setup Block

Type 1-2-3
Number of Pieces 2
Fractional Height 3
Overall Length 2
Overall Width (Inch) 1
Squareness 0.0001, 0.0003
Tapped Hole Size 3/8-16
SPI Part Number 13-670-5



See all SPI 1-2-3, 2-3-4 and 2-4-6 Block Sets

1-2-3 Block Set