ITEM NAME:1/2"-28 tap & die set titanium coated right hand thread hand tap cutting too Gw.1 x 1/2-28 Titanium Coated Thread Tap. Thread Tap Size: Approx. Thread Die Size: Approx. 1 x 1/2-28 Round Thread Die. Die can be installed in die wrench using manual processing threads can also be. Suitable for mold machining.