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18-24-3 A-Grade Granite Tri-Square 3-Face  Precision Granite

18-24-3 A-Grade Granite Tri-Square 3-Face

$ 2,720.55$ 2,591.00

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Product Description

A-Grade Granite Tri-Square 3-Face

Three-Face Granite Tri-Squares provide an excellent, economical way for accurately checking the X-Y-Z axes on CNC machine tools and coordinate measuring machines. Lying in the horizontal position, the X and Y axes can be checked for 90º squareness. With the square in the vertical position, tracing along the vertical edge of the square can check the perpendicularity of the Z axis. Granite tri-squares may also be used in the same manner that steel squares would be used for the direct checking of squareness and straightness.

3-Face Tri-Square include 1 large face and 2 edges that are flat and square to each other, with lightening holes.

Features include...

  • Granite Dimensions are as follows...
    • 18" Long
    • 24" High
    • 3" Wide
  • A Grade (.0001" Accuracy)
  • Includes Certificate of Calibration traceable to NIST.
  • # of lightening holes will vary with size of square.

ISO 17025 Accredited Cert available at extra charge.