Sherwood: 3/4"X16 UNF HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140184442 EAN: 5036140184442 3/4"X16 UNF HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 1.48in Material: High Speed Steel Thickness: 11/16in Thread Direction: Right Hand Thread Size: 3/4in. x 16 Thread Standard: UNF