钻杆同轴度量规

产品描述

货号	产品型号	测量范围	分度值	用途
NR.	Type	Range	Resolution	Usage
642-013	ATY	0～3mm	0.01mm	直接测量导管外表面之凹痕及裂纹深度
				Measure the concave mark and crackle of pipe.
642-014	XX	0～10mm	0.01mm	用于测量相互连接的钻杆的同轴度误差
				Measure the coaxial variation of the connecting drill stems.
642-015	NWK	0～450mm	0.02mm	用于测量大口径长钢管的内外径测量
				Measure the inner and outer diameter of big pipe.