Sherwood: 5/8"X11 BSW HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. Conform to: ISO 529. MPN: 5036140184640 EAN: 5036140184640 5/8"X11 BSW HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 1.3in Material: High Speed Steel Thickness: 5/8in Thread Direction: Right Hand Thread Size: 5/8in. x 11 Thread Standard: BSW