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SPI 13-670-5 Setup 1-2-3 Blocks: Matched & Measured Pair with Five 3/8-16 Tapped Holes and 18 Untapped Holes

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$134.59

$ 64 .99 $64.99

In Stock

1.Style:1-2-3 Blocks


  • Squareness of all sides is within 0.0001 per inch
  • Up to 0.0003" overall tolerance
  • Constructed of hardened steel with HRC 55-60, ground to surface finish 6-16 microinches
  • Five tapped holes (3/8-16) and 18 untapped (0.351" diameter) holes
  • Includes fitted case


For over 60 years, SPI has introduced innovative products to the metalworking and laboratory industries. SPI measuring instruments are durable, precise, and reliable — all backed by an industry-leading 2-year warranty. Squareness of all sides is within 0.0001 per inch. Up to 0.0003" overall tolerance. Constructed of hardened steel with HRC 55-60, ground to surface finish 6-16 microinches. Five tapped holes (3/8-16) and 18 untapped holes.


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