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

$37.48 $74.95
Review

SPI 1-2-3, 2-3-4 and 2-4-6 Block Sets Hardened steel to RC 55-60, ground to surface finish 6-16 microinches. Matched 1-2-3 and 2-3-4 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

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Description

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

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

Matched 1-2-3 and 2-3-4 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 (38″-16)
    18 untapped holes (0.340″ dia.).

Matched 2-4-6 Blocks

  • Squareness of all sides
    within 0.0003″ per inch.
  • Five tapped holes (58″-11)
    18 untapped holes (0.520″ dia.)

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