In ISO hole tolerances, the code H7 indicates that the hole's upper deviation is zero and lower deviation is negative.

In ISO hole tolerances, the code H7 indicates that the hole's upper deviation is zero and lower deviation is negative.

• A. The hole must be larger than nominal
• B. The hole tolerance zone is above the nominal size
• C. The hole tolerance zone is symmetrical around the nominal size
• D. The hole's upper deviation is zero and lower deviation is negative

Answer: (D)