This is a single left-hand ACME thread tap – size 5/8-8 – made from high-speed steel (HSS) for durability and precision.
It's a left-hand version, which is crucial if you're working on applications that require reverse threads, like certain lead screws or machinery adjustments.
The trapezoidal shape is standard for ACME threads, providing strength and smooth movement.

This is an unbranded tap, but the quality is solid – HSS material holds a sharp edge and resists wear.
Comes in a 3-month warranty for peace of mind.
It's made in China, with a weight of about 0.

5 pounds.

Standard SAE measurement.

Perfect for machinists, tool makers, or anyone doing repair work on equipment with left-hand threaded parts.
If you've been searching for a hard-to-find left-hand ACME tap, this one fits the bill.
Use it with proper tapping fluid and technique for clean, accurate threads.
Great for restoring worn leadscrews or making custom parts.
It's brand new, never used.

Don't settle for the wrong thread direction – get the exact left-hand tap you need for that specialized job.