The SLT continuous mesh belt tempering furnace is a high capacity, forced air circulation unit built for the tempering stage that follows quenching in fastener and small metal part production lines. A wide 600mm mesh belt and four independently controlled zones allow large volumes of bolts, nuts, screws, washers and stamped parts to be tempered at a working temperature of 650C with excellent uniformity. High velocity recirculating air driven by top mounted fans moves heat