plastic nylon screw high quality 

plastic nylon screw high quality The screw is a key component in the plasticizing part, and it is in direct contact with the plastic.  The plastic passes through the effective length of the screw groove and undergoes a long  thermal history. The length, geometric shape and geometric parameters of each functional  segment will directly affect the conveying efficiency and plasticizing quality of the plastic,  and will ultimately affect the molding and product quality. color      white，black，green，natural，blue，yellow，etc diameter 5-2000mm，or customized tolerance ±0.05 shape  as per your drawing or the sample certification ISO9001，Test Report，RoSH free sample available sha…