13-671-3 SPI 2-4-6 Block Set

13-671-3 SPI 2-4-6 Block Set

  • $ 220.69
  • Save $ 158.95


Matched 2-4-6 Block Set

Features include...

  • Hardened Steel to RC 55-60, ground to surface finish 6-16 microinches.
  • Squareness of all sides within 0.0003" per inch
  • Five tapped holes (5/8" - 11), 18 untapped holes (5/8" dia.)