SZ-ZK130 Glass drilling machine is a cold processing machine which is easy to drill holes on glass sheets and is equipped with upper and lower drilling bits. An automatic cylinder drives the lower- drill bit while the upper bit is operated by manual operation. Different sizes of holes can be achieved by bits with different diameters. This machine works efficiently; it has low glass damage and is easy for operation. Diameter: ¦ 5-220mm Glass Thickness: 3-19mm Max.glass size: 2200* 2700mm Power: 4.95KW Table height: 870mm Dimension: 2200* 2520* 1700mm Weight: 1200kg