pneumatic dot pin marker marking hardness <HRC60 marking speed 20~40 mm/s marking depth 0.1~1.0 mm air supply 0.2~0.5 mpa pneumatic dot pin markermarking machinemarking hardness <HRC60marking speed 20~40 mm/smarking depth 0.1~1.0 mmair supply...

pneumatic dot pin marker marking hardness <HRC60 marking speed 20~40 mm/s marking depth 0.1~1.0 mm air supply 0.2~0.5 mpa pneumatic dot pin markermarking machinemarking hardness <HRC60marking speed 20~40 mm/smarking depth 0.1~1.0 mmair supply...

pneumatic dot pin marker marking hardness <HRC60 marking speed 20~40 mm/s marking depth 0.1~1.0 mm air supply 0.2~0.5 mpa pneumatic dot pin markermarking machinemarking hardness <HRC60marking speed 20~40 mm/smarking depth 0.1~1.0 mmair supply...

pneumatic dot pin marker marking hardness <HRC60 marking speed 20~40 mm/s marking depth 0.1~1.0 mm air supply 0.2~0.5 mpa pneumatic dot pin markermarking machinemarking hardness <HRC60marking speed 20~40 mm/smarking depth 0.1~1.0 mmair supply...

pneumatic dot pin marker marking hardness <HRC60 marking speed 20~40 mm/s marking depth 0.1~1.0 mm air supply 0.2~0.5 mpa pneumatic dot pin markermarking machinemarking hardness <HRC60marking speed 20~40 mm/smarking depth 0.1~1.0 mmair supply...