Hanson 1/4-20 Tap & #7 Drill-Cd

FEATURES

• 1/4"-20NC Tap size / # 7 Drill Bit
• Designed for hand threading work in a variety of materials
• Tap size and drill bit size are etched on each tool for easy identification
• First 3 to 5 threads chamfered for general purpose threading
• Straight flutes are ground to provide rapid chip removal for efficient threading