| 
					花岗石方箱
				 
					规格 mm
				 | 
					平行度
				 | 
					平面度
				 | 
					垂直度
				 | |||
| 
					花岗石方箱精度等级( um )
				 | ||||||
| 
					00
				 | 
					0
				 | 
					00
				 | 
					0
				 | 
					00
				 | 
					0
				 | |
| 
					100 × 100 × 100
				 | 
					1
				 | 
					2
				 | 
					1
				 | 
					2
				 | 
					1
				 | 
					2
				 | 
| 
					150 × 150 × 150
				 | 
					1.5
				 | 
					3
				 | 
					1
				 | 
					2
				 | 
					1.5
				 | 
					3
				 | 
| 
					200 × 200 × 200
				 | 
					2
				 | 
					4
				 | 
					1.5
				 | 
					3
				 | 
					2
				 | 
					4
				 | 
| 
					250 × 250 × 250
				 | 
					2.5
				 | 
					5
				 | 
					1.5
				 | 
					3
				 | 
					2.5
				 | 
					5
				 | 
| 
					300 × 300 × 300
				 | 
					3
				 | 
					6
				 | 
					1.5
				 | 
					3
				 | 
					3
				 | 
					6
				 | 
| 
					500 × 500 × 500
				 | 
					5
				 | 
					10
				 | 
					2.5
				 | 
					6
				 | 
					5
				 | 
					10
				 |