Granite Square Rulers

Scroll Down

On inspection of verticality and parallelism as well As absolure 90° measuring

Q'ty :

Granite Square Rulers

(mm)	Squareness between abjacent measuring surface		straightness of measuring surface		Parallelism between opposite measuring surface
	Precision grade (m)
	00	0	00	0	00	0
160 X 160	2	4	0.8	1.7	2	4
200 X 200	2	4	0.9	1.8	2	4
250 X 250	2.2	4.5	1	2	2.2	4.5
315 X 315	2.6	5.2	1.1	2.3	2.6	5.5
400 X 400	3	6	1.3	2.6	3	6
500 X 500	3.5	7	1.5	3	3.5	7