Sherwood: 7/8"X14 UNF HSS Hexagon Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: 5036140184459 EAN: 5036140184459 7/8"X14 UNF HSS Hexagon Die Nut Attributes: Dimensions Standard: BS 1127 Hex Width: 1.67in Material: High Speed Steel Thickness: 13/16in Thread Direction: Right Hand Thread Size: 7/8in. x 4 Thread Standard: UNF