Sherwood: 1"X8 BSW HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. Conform to: ISO 529. MPN: 5036140184671 EAN: 5036140184671 1"X8 BSW HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 2.05in Material: High Speed Steel Thickness: 15/16in Thread Direction: Right Hand Thread Size: 1in. x 8 Thread Standard: BSW