Sherwood: 3/8"X16 UNC Hexagon HSS Die Nut BS 1127. For use with spanners to clean and repair existing external screw threads. MPN: SHR0863970K EAN: 5036140184084 3/8"X16 UNC Hexagon HSS Die Nut Attributes: Dimensions Standard: BS 1127 Hex W…View more