Starrett Three-Face Granite Tri-Squares
Three-Face Granite Tri-Squares provide an excellent, economical way to check X, Y and Z axis alignment on CNCs and CMMs. They can also be used in the same way as a steel square for direct checking of squareness and straightness.
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Starrett Three-Face Granite Tri-Squares Features:
- 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 90° 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.
- Tri-Squares have 3 finished faces the bottom surface, the tall edge perpendicular to the bottom and one large triangular face, perpendicular to the other 2 faces.