2 1/4 Inch BSPF Carbon Steel Circular Die 2 1/4 Inch BSPF Carbon Steel Circular Die UK-made carbon steel solid circular die for cleaning and restoring existing BSPF, also known as BSPP or G, external parallel pipe threads. 2 1/4 inch... £38.80 (Inc. VAT) £32.33 (Ex. VAT) Choose Options Compare