... wear-resistant; 3.High precision. Automatic hot melt Coating Gun,extruder machine Automatic Coating Gun, Automatic Coating Gun,Hot melt glue ... melt glue gun,Hot melt glue gun,glue gun,Extruder machine,Extruder machine,Extruder machine. The BT-FG series Fiber Glue Gun ... have specifications and so on 30mm, 60 mm, 90 mm, 120 mm, 180 mm, 240 mm, 270 mm, 360 mm, 420 mm. Features:Gun head made of stainless ...