Sherwood: 10X1.25MM HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140183766 EAN: 5036140183766 10X1.25MM HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 0.92in Material: High Speed Steel Thickness: 3/8in Thread Direction: Right Hand Thread Size: M10 x 1.25 Thread Standard: Metric Fine