1 Inch BSPT HSS Die - 1/8 Inch x 28 TPI 1 Inch BSPT High Speed Steel Circular Die High speed steel circular die for cutting new 1/8 inch BSPT external tapered pipe threads. It can also be used for maintaining suitable existing threads. Key... £36.02 (Inc. VAT) £30.02 (Ex. VAT) Choose Options Compare