Plastic handle screw

Design objective: to solve the product matching, more convenient adjustment and fixed screw, so the plastic head screw products. 
It is according to torsion and the use of the environment, according to the need to design different shape of the mould, the inside and outside the regular hexagon screws, round head screws, countersunk head screws, include screw placement in special mould, according to the drawings and adjust the tooth length and thread size, use requirement to dry and color matching of plastic after a plastic injection molding, plastic injection forming, then cooling and manufactured products, plastic handle screw. 
Alias: glue head screw, hand screw, hand screw, plastic hand screw, parts screw, plastic fastener and so on!