7PCS HSS Machine Screw Thread Metric Plug Tap Drill Set M3 M4 M5 M6 M8 M10 M12

Feature: 100% brand new and high quality. Spiral tap is one of the thread processing tool belonging to tap. Spiral groove taps chip performance is excellent tapping smooth. Practical and durable. Specification: Material: 6542HSS Color: as picture shown Type: M3*0.5 /M4*0.7/M5*0.8/M6*1.0/M8*1.25/M10*1.5/M12*1.75(all of them are thick taps) Surface treatment: nitriding (Note: Please allow slight color difference due to light and screen.) Package include: 7pc x Tap thread wire threading tool