Ozzistraightshooter Tap, Die & Drill set for common barrel muzzle

thread 5/8 inch x 24 TPI.

Precision Intermediate tap made from high speed steel.Matching 5/8 x 24 Die for barrel threading. Die has outside diameter of 38mm. Hard to find 14.8 mm drill (175 mm long) is included to help make the thread precisely. 5/8 inch x 24 TPI is a very popular thread used on many Center-Fire rifles. These are top quality tools designed for professional use.