The machine is mainly used to sandblast to the two end threads of the steel pipe. Technical Specification: Components of the machine: sandblasting cabinet, blasting gun, air jet,electrical box,lighting device,dedusting system and so on. The outer dimensions of the cabinet:1000x1100x2000mm Quantity of blasting gun: 4 Granularity of abrasive: 60-120# Application scope: Sizes of steel pipe: outer diameter is φ60.3mm∼φ339.72mm Length of pipe: 4.8∼14.7metres The two end blasting thread length: 180 mm