Specification: 1/2-13 UNC tap and die set, right hand, tolerance class 2B. Suitable for making or repairing male and female threads. General purpose applications. Material and performance: High speed steel HSS provides high hardness and good wear resistance. In the grinding process the tap is sharp and durable, with a clear thread to meet processing requirements. Application and compatibility: Designed for through hole processing. Suitable for alloy steel, countersunk steel, cast iron, iron and non-ferrous materials, etc. Excellent for maintenance and repair work. Operation and setup: The fixing screw in the middle of the tool wrench inserts into the slot of the tool and is tightened. The machine tap is suitable for drills, tapping machines, CNC and milling machines. Use scenarios: - Repair or restore internal threads in through holes on housings or engine components. - Cut external threads on a shaft or stud to mate with nuts in general machining tasks. - Tap through holes in CNC milling or drilling operations for standard 1/2-13 fasteners.