Sherwood: 1/2"X14 BSPF HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140185012 EAN: 5036140185012 1/2"X14 BSPF HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 1.67in Material: High Speed Steel Thickness: 13/16in Thread Direction: Right Hand Thread Size: 1/2in. x 14 Thread Standard: BSPF