鑄鐵方箱用于零部件平行度、垂直度和檢驗和劃線，萬能方箱用于檢驗或劃精密工件的任意角度線。適用于測量和刻標記的固定器。 鑄鐵方箱的規格:(mm)100 150 200 250 300 350 400 500 600花崗石方箱 規格（mm)工作面平面度相對面平行度（um）工作面間垂直度（um）每對平行規H.W等長之差（um）精度等級000000000100 100 1000.0010.0020.0010.0020.0010.002150 150 1500.00150.0030.0010.0020.00150.003200 200 2000.0020.0040.00150.0030.0020.004300 300 3000.0030.0060.00150.0030.0030.006400 400 4000.0040.0080.0020.0040.0040.008500 500 5000.0050.0100.00250.0050.0050.010600 600 6000.0060.0120.0030.0060.0060.012800 800 8000.0080.0160.0040.0080.0080.016歡迎新老客戶來電訂購，我們將竭誠為您服務。我們的電話是0317-8003600我們的網址是www.pbpt.cn