What is 5/8 11 Tap Drill Size

The tap drill size for 5/8 11 is 49/64 inches or 0.766 inches.

This size is also known as an 11/16-inch tap drill.

The tap drill for 5/8 11 is the size of the hole that must be drilled before tapping a 5/8 11 thread. The size of the hole is slightly larger than the major diameter of the thread to ensure proper clearance and prevent thread stripping.

How to Use the 5/8 11-Tap Drill Size?

When tapping a 5/8 11 thread, the appropriate tap drill size must be used. To do this, first, measure the major diameter of the thread (the major diameter is the widest diameter of the thread groove). Then, select a drill bit that is slightly larger than this measurement.

For example, if you are tapping a 5/8 11 thread, you would need to use a 49/64-inch or 0.766-inch drill bit.

Once the hole has been drilled at this size, the tap can then be inserted into the hole and screwed in to create the thread. It is important to ensure that you use a tap drill size that is slightly larger than the major diameter [1] of the thread so that there is adequate clearance when tapping and no risk of stripping or damaging threads during installation.

What Size Drill Bit Does a 5/8 11 Tap Take?

The size drill bit used for the 5/8 11 taps will depend on the major diameter of the thread. The major diameter of a 5/8 11 thread is 0.592 inches. Therefore, you would need to use a drill bit that is slightly larger than this measurement.

Specifically, the appropriate tap drill size for 5/8 11 is 49/64 inches or 0.766 inches. This size drill is ideal for tapping threads without damaging or stripping them during installation.

Conclusion

The tap drill size for a 5/8 11 thread is 49/64 inches or 0.766 inches. This size is slightly larger than the major diameter of the thread and is necessary to ensure adequate clearance and prevent thread stripping when tapping. It is important to use the proper drill size when tapping threads to avoid damaging them during installation.