20x1.50mm Rethreading Die from 555 /per Qty. Add to Cart This item is currently on backorder, but you can still purchase it now and we'll ship as soon as more become available. 20mm diameter (1.50mm pitch) nut-sized hex rethreading die (1¼" (32mm) across the flats) Rethreading dies will not crosscut or undercut the thread the way a cutting die will Gold zinc–plated 5/8" (16mm) thick MADE IN USA SKU:MD20C