Structure diagram of extruding screw List of extruding screw No. Designation Qty(pcs/unit) 1 Pressuring sleeve                     1 2 Bolt                     1 3 Short double screws                     1 4 Double screws                     1 5 Negative shearing block                     1 6 Positive shearing block                     1 7 Feeding screw (â…¡)                     1 8 Feeding screw (â… )                     1 9 Striker plate                     1 10 Main shaft                     1 11 Screw                     1 12 Adjusting spacer                     1 13 Short double screws (â…¡)                     1