Guangyuan ST-20J desktop drill spindle box, table, column and base are made of high quality cast iron, and after aging treatment, steady and firm, durable; high precision, good performance, widely used in industrial equipment, machinery manufacturing and repair industries. Guangyuan ST-20J desktop drilling technical parameters: Technical parameters Unit ST-20J maximum diameter drill chuck size mm 20 Mm / inch 16 Table travel mm 360 mm 312 Table size drill spindle taper MT3 spindle speed range rpm 250-? 3200 column column height diameter mm 74 mm 740 Spindle center to column surface distance mm 182 mm 455x270 base size spindle travel Overall height mm 990 mm 85 NW / GW kg 68/73 motor power w 750 Package Size mm 800x470x300 phone? 0632-5516272 phone ? 13012673868 QQ 1225572633 Vertical CNC milling machine, CNC vertical milling machine Shandong, http:? //www.dyjrjc.com/list.php fid = 143 Z3045 radial drilling machine, http:? //www.dyjrskjc.com/list. php? fid = 144 Guangyuan ST-20J desktop drill using a belt drive, mechanical be tight. Headstock screw lift. Nice appearance, even coordinating the overall layout. Reliable structure, fine workmanship, ensuring the machine accuracy persistence.