Measuring and control plate made of hard stone with grade I

Execution:
- made of black hard stone with a very fine and homogeneous structure
- Surface lapped, sides ground, underside cleanly sawn
- very high bending strength and low moisture absorption
- rustproof and acid-resistant

Grade I: diamond lapped (10µ + L/100)
Grade 0: fine diamond lapped (4µ + L/250)
Grade 00: very finely diamond lapped (2µ + L/500)

Delivery:
With steel ball inserts, test report and transport packaging.

A notice:
On request also with T-slots made of steel
(according to DIN 650, nominal size 14 mm, precision 0.01/10,000 mm),
with threaded bushings made of stainless steel or brass,
available in other (intermediate) sizes and accuracies (e.g. grade 000).