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  4. Starrett 81920 Master Square 12 x 12 x 3 5-Face Granite, Grade A

Starrett 81920 Master Square 12 x 12 x 3 5-Face Granite, Grade A

Part Number:: 81920
MFG ID: 81920
Your Price $1,555.20
Retail Price:$1,620.00
Your Savings:$64.80(4%)
Starrett 81920 Master Square 12 x 12 x 3 5-Face Granite, Grade A - Inspection. Five-Face Granite Master Squares are popular 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 90ยบ squareness. With the square in the vertical position, tracing along the vertical edge of the square can check the perpendicularity of the Z axis. By tracing along the top edge of the square while in the vertical position, it will check parallelism of the table in the X and Y axes to the spindle. Five-face master squares may also be used on any work that requires the checking of squareness or parallelism.

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