Davis Standard Vented barrel and screw for 4.5" extruder

Used 4.5" 30:1 Davis Standard vented barrel and two-stage screw.  Screw is reported last used for high impact polystyrene.   Overall length is 132".

Barrel OD is 7.6" (24" circumference)

OD of barrel flange (I believe it's the discharge end) = 12"

Bolt holes on this end are 4" center to center

Bolt holes across the face opposite each other are 10" center to center

Thermocouple holes are 21" center to center

OD of barrel flange (I believe it's the feed throat end) = 15"

Bolt holes (several drilled next to each other) depending on which you measure are 7.5 OR 8.5 OR 9.5" center to center.  

2 sets available