.258 888-258 18.99 .259 888-259 18.99 .260888-260 18.99 .261 888-261 18.99 .262 ... has a .250 diameter pilot hole and is threaded on bottom knurled on top this is the ... 14 thread 444-951 16.29 ptg die finish reamer use in conjunction with die blanks 444 ...