Granite square block - Jingda Tools Of China

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Tpye (mm)	Parallelism of Working surface		Flatness of working surface		Perpendicularity of working surface
	Precision grade ( μm)
	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