Specification ZZM-A Grinding capacity 2-19mm Spindle speed 1000rpm Motor 220V /3.2A /250W /50HZ ZZM-A drill grinder simple structure, easy operation one setup to complete grindings on drill web and chisel edge Specification ZZM-B Feature Easy operate, quickly, safety and high precision. Once hold will finish cutting edge and crossing edge. It can grinding twist drill with two flutes. Grinding range Cutting edge and crossing edge Grinding diameter 3-21mm Grinding angle 118 -150 Motor 230V, 3.2A 50HZ 1000rpm Wheel maintenance For the super resist-grinding wheel,you can operate without coolant and repair. Operation time Generally speaking, one drill which diameter is 3mm will be finished in 15 seconds, and one drill which diameter is 19mm will be finished in 60 seconds. Specification ZZM-C13 ZZM-C26 Range of grinding dia 2- 13 13- 26 Range of grinding taper 118 -135 100 -140 Adjust range 9 1mm Equipped collets ER20 ER40 Moter 220V/120W/ 5000rpm 220V/200W/ 5000rpm Specification ZZM-10A Wheel diameter 100mm Wheel thickness 50mm Wheel hole size 20mm Spindle speed 5200rpm Collet clamping diameter range 3-28mm Tool post longitudinal travel 140mm Tool post longitudinal mircro adjustment 18mm Spindle longitudinal mircro adjustment 8mm Specification HDT30 End mill capacity(D.SxD.ExL) 50x225x250mm Swing over table 245mm Longitudinal travel of table 75mm Cross travel of table 150mm Maximum wheel (O.DxWxI.D) 125x52x32mm Tilt adjustment for wheelhead +35 -5 Air bearing stroke 250mm Motor power 0.25kw