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Granite Surface Plate



Made By : Luthra

Made In : Indian


We are granite surface plates manufacturers which are manufactured using natural black granite stone, quarried from earth in its natural form. These precision granite surface plates are precision lapped to high standards of flatness  to achieve accuracy and are used as bases for mounting sophisticated mechanical, electronic and optical gauging systems. Our quality inspectors and engineers put a strict vigilance at all the stages of the production procedure to ensure high quality plates. Further, the final inspection is carried out by a high precision computerized electronic level made by wyler of Switzerland. Our range of precision granite surface plates are utilized in precision tool rooms, engineering industries and research laboratories.

Some of the unique features of our range of plates are:

  • Uniformity In Hardness
  • Accurate Under Load Conditions
  • Vibration Absorbent
  • Easy To Clean
  • Rust-Proof, Non-Corrosive
  • Thermal Stability
  • Wrap Resistant
  • Low Porosity
  • Non-Abrasive, Non-Magnetic

These advantages make black granite surface plates inherently stable and unmatchable against any other material. These  plates are supplied with computerized calibration certificate traceable to national physical laboratory (npl, govt of India ) new Delhi. Rexin covers are provided with each surface plate for protection of top surface. We provide fabricated stand with leveling screws on request by our clients. The overall working height of surface plates with stand and leveling screw will be 900 mm (approx) from floor level.

Size in MM

Flatness Tolerance in micron (Grade - 0)

400x250x50mm 4
400x400x60mm  4.5
630x400x80mm 5
630x630x80mm 5
1000x630x150mm 6
1000x1000x150mm 7
1600x1000x200mm 8
2000x1000x250mm 9.5

Other  bigger sizes on request.