Granite Square Block

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Application
The granite square block is a precise reference measurement tool made of natural stone material. Through the strict physical test and granite selection, it is extremely hard in texture. Therefore, this granite measuring block is an ideal reference plane used for the inspection of precision tools and mechanical parts. Our precision square block is suitable for inspecting the flatness, verticality of the components, workpieces, guide rails, machine tool table, and so on.

Special or large size granite blocks can be customized.

Parameters

Size (mm)	Parallelism		Flatness		Verticality
	Precision Grade (mm)
	00	0	00	0	00	0
100 × 100 × 100	0.001	0.002	0.001	0.002	0.001	0.002
150 × 150 × 150	0.0015	0.003	0.001	0.002	0.0015	0.003
200 × 200 × 200	0.002	0.004	0.0015	0.003	0.002	0.004
300 × 300 × 300	0.003	0.006	0.0015	0.003	0.003	0.006
400 × 400 × 400	0.004	0.008	0.002	0.004	0.004	0.008
500 × 500 × 500	0.005	0.010	0.0025	0.005	0.005	0.010
600 × 600 × 600	0.006	0.012	0.003	0.006	0.006	0.012
800 × 800 × 800	0.008	0.016	0.004	0.008	0.008	0.016

Related Names
Industrial Measuring Block Manufacturer | Precision Vee Block | Angle Plates

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