Sherwood: 3/8"X24 UNF HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140184398 EAN: 5036140184398 3/8"X24 UNF 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: 3/8in. x 24 Thread Standard: UNF