Sherwood: 1/4"X20 UNCX1" O/D HSS Die BS 1127 For use in diestocks to produce external screw threads. MPN: 5036140183933 EAN: 5036140183933 1/4"X20 UNCX1" O/D HSS Die Attributes: Dimensions Standard: BS 1127 Material: High Speed Steel Outsid…View more