The recommended length for a long pilot drill bit when drilling through thick materials is typically 6 to 12 inches.
The recommended length for the longest Sawzall blade to efficiently cut through thick materials is typically around 12 inches.
The recommended size for pilot holes when drilling into wood for wood screws is slightly smaller than the diameter of the screw. The depth of the pilot hole should be equal to or slightly shorter than the length of the screw being used. This helps to prevent splitting and ensures a secure fit for the screw in the wood.
The recommended length for an 8 haircut is 1 inch.
The recommended length for letters of recommendation is typically one to two pages.
The recommended length of an iteration for a project is typically 2-4 weeks.
The recommended hair length for a no. 8 clipper is 1 inch.
The recommended length for a haircut number 8 is 1 inch.
The recommended length for a number 12 haircut is 1.5 inches.
The recommended length for a number 8 haircut is 1 inch.
The recommended hair length for using a 3 clipper length is typically around 3/8 of an inch.
Enco does sell replacement drilling flutes for their mills. The size, length of cut, shank diameter and overall length are needed in inches. Material and finish/coating are needed when ordering replacement.
It seems as if the difficulty of drilling through the plate would depend on its thickness, which you haven't mentioned, but would have nothing at all to do with its length or width.