Description:

The 1/4 28 UNF Tap and Die Set is a professional tool kit designed for precise internal and external thread machining in various metal materials. This set ensures fast chip removal and high accuracy for both creating and repairing threads.

• Cutting Diameter: 1/4 inch
• Threads Per Inch: 28 TPI
• Thread Standard: UNF
• Cutting Direction: Right Hand
• Tap Material: High Speed Steel 6542 M2
• Die Material: Alloy Tool Steel
• Tap Accuracy Class: 2B
• Die Accuracy Class: 2A
• Measurement System: English Standard
• Tap Design: Straight fluted for rapid chip removal and efficient machining
• Die Design: Conical locking hole for secure wrench attachment and resistance to loosening
• Compatible Materials: Cast iron, copper, brass, abrasive steel, A3 steel, and aluminum
• Applications: Suitable for through holes, shallow blind holes, and external thread repair
• Equipment Compatibility: Works with tapping machines, integrated bench drills, CNC lathes, machining centers, or manual operation