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Article no.: 430400

Natural granite control surface plate accuracy 00 400X400 mm

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on request
Available in 3-4 weeks
0 pieces in stock
Brand: Planolith
Standard: DIN 876
Test certificate: Manufacturer’s test certificate


  • Standard: DIN 876
  • Test certificate: Manufacturer’s test certificate



Specially selected natural granite.
  • Free from defects, homogeneous structure.
  • Resistant to deflection and to warping.
  • Absolutely rust-proof and acid resistant, low thermal conductivity.
  • Micro-fine machine surface (diamond lapped). Within all the permissible tolerances.
  • Ground outside edges, visually true.
  • For mounting as determined statically, contact points (steel ball inserts) are fitted to the underside.
  • Harder than hardened steel (Mohs hardness scale 6 − 7), non-magnetic and electrically non-conductive.


Final manufacturing and inspection take place in computer-controlled climatic rooms. The used measuring equipment guarantees the exact connection to national and international calibration laboratories.
DIN 876/00 − High precision diamond lapped for measuring room.

Supplied with:

Supplied with test certificate, transport packing.


On request: Stainless steel screw inserts, steel T-slot rails (steel T-slot rails not available for No. 430190), accuracy 000, other sizes, intermediate sizes. Delivery excluded.

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