Granite Tri Square

Granite Tri SquareGMT GRANITE TRI SQUARE

The GMT Granite Tri-Square finds application in checking the X-Y-Z axes on CNC machines, milling machines, CMM’s. Therefore all six sides are lapped to maintain flatness, squareness and parallelism. It is made of Indian Black Granite and provided with through-holes for weight reduction and ease of handling.

The GMT Granite TriSquare provides an excellent, economical way for accurately checking the X-Y-Z axes. Hence, you can use it to calibrate  CNC machines, milling machines and coordinate measuring machines. Besides, you can use GMT Tri Squares in the same manner that you use steel squares, to directly check straightness and squareness of components.

To check for squareness, (X & Y axes), mount the Tri Square in the horizontal position. Next,  to check the perpendicularity of the Z- axis,  Mount the Tri Square in the vertical position, and trace along the vertical edge of the square.

GMT calibrates all its metrology products with Electronic levels and other devices certified by the NABL procedures. Therefore, you can be sure that the quality of all products you inspect with the product is traceable for accuracy.

Features

  • Granite Tri Squares to check X, Y and Z-axes of CNC Machines.
  • Precision tri squares are available in Laboratory Grade or Inspection Grade.
  • GMT granite tri-squares are made from famous Indian Black Granite.
  • This fine-grained stone, is denser than other colours, has less inclusions and is more stable as a metrology reference.
  • Provides a comparatively chip resistant, durable and stable surfaces.
  •  Therefore the plate surface does not flake in sections.
  • GMT Black granite tri squares are more durable and help to avoid scratching.

SPECIFICATIONS

Dimensions (mm) Thickness Weight (Kg) Grade 0 (µ)
300 x 200 70 10 3
400 x 200 70 13 3
500 x 200 70 15 5
630 x 400 75 26 5
800 x 500 90 70 5
1000 x 630 120 140 10

Custom Size Granite Tri Square

Apart from the above sizes, Guindy Machine Tools also manufacture Tri-Squares as per customer requirement. Shown below is a special extra-large sized Tri-Square manufactured by GMT.

special granite tri square

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