... CNC Product name: spring brush machine -- spring brush making machine, cnc machineProduct mode: YTb36 Machine's features(parameters):1. Thickness of ... Weight: 1200KG brushes features: . Brush Material: Bristle(PA, PBT, PE, PP, PVC, copper, steel wire, animal hair). Frame material: ... bristle: 10mm to 150mm . Brush Material: Bristle(PA, PBT, PE, PP, PVC, copper, steel wire, animal hair). Frame material: ...