Roto Spiral Ltd. KNOCKTOPHER , CO.KILKENNY , Ireland About Solutions products Publications videos Companies Roto Spiral Ltd. Products Mixer Screw Mixer Screw From Other Products 0 Share We manufacture and supply bin dischargers to any specification. Videos related to this product RotoSpiral2 Video Customer reviews No reviews were found for Mixer Screw. Be the first to review! Add your review Publish your review Great! review successfully added!