Size - 5/8 x 18 UNF. Threads per Inch (TPI) - 18;Used for cleaning and repairing damaged threads;Width across flats - 41mm. Thickness - 14mm;Manufactured from High Speed Steel (HSS);Ideal for maintenance and repair

• Volkel 5/8-inch UNF HSS Hexagon Die Nut

Volkel 5/8-inch UNF HSS Hexagon Die NutVlkel