Sherwood: 20X2.00MM HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140183865 EAN: 5036140183865 20X2.00MM 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: M20 x 2.0 Thread Standard: Metric Fine