- There is 2 files on the tape. Both are the same Drill File in Excellon MkIII format.
The first one is 36 blocks long and in coded in ASCII.
The second one is 46 blocks long and in coded in EIA.
(You can use the more convenient one)
-If you drill 5 mills over the finished hole size here are the diameters:
For tool number 1 you will need 2 bits of 30 (mils) to drill the 2969 holes of that size.
The total path length is 383.830 inches.
For tool number 2 you will need 1 bit of 42 (mils) to drill the 1452 holes of that size.
The total path length is 297.500 inches.
For tool number 3 you will need 1 bit of 118 (mils) to drill the 98 holes of that size.
The total path length is 64.236 inches.
For tool number 4 you will need 1 bit of 133 (mils) to drill the 14 holes of that size.
The total path length is 22.800 inches.
For tool number 5 you will need 1 bit of 149 (mils) to drill the 14 holes of that size.
The total path length is 13.300 inches.
For tool number 6 you will need 1 bit of 162 (mils) to drill the 40 holes of that size.
The total path length is 77.010 inches.
For tool number 7 you will need 1 bit of 266 (mils) to drill the 7 holes of that size.
The total path length is 8.400 inches.