石墨电极, crater-drillpoint/undercut, 4.57mm 直径, 38.10mm 长, 体积 0.040cc, 99.9995% (metals basis)，99.9995%

Graphite electrode, crater-drillpoint/undercut, 4.57mm dia, 38.10mm length, volume 0.040cc, 99.9995% (metals basis)