Tools 336.0621 HSS 3-Pass Tap Set, M3 to M12 - Hydrocarbon Resistant, 3-Pass Tap Set

【High-Quality Material】 The metric tap and die set is made of hard alloy steel with a chrome-plated finish. Heat treatment gives it a Rockwell hardness of HRC 59-62. These taps are durable and feature high hardness, dimensional stability, rust resistance, and corrosion resistance.

【Metric Tap and Die Set】 This 12-piece metric tap and die set includes 5 taps and 5 dies for cutting and cleaning internal and external threads in common sizes from M3 to M12. The set also includes a long-handled tap wrench and an adjustable tap wrench.

【Combined Tap and Tap Wrench】 This set consists of 5 taps and a tap wrench. The tap wrench is primarily used for making nuts. After selecting the appropriate tap wrench, it can be polished by positioning it horizontally and screwing it vertically into the tap. Once the wrench is secured, turn the knob one or two turns with both hands. This set includes five dies and a tap wrench. The dies are primarily used for polishing and repairing the outer contour of the screw. Each die has a different profile. Choose the appropriate die for the task at hand. After tightening the screw with a screwdriver, attach it to the machine and screw the die into the screw. These tools are perfect for repairing or creating internal and external threads in wood, copper, aluminum, iron, carbon steel, and more. This metric tap set is ideal for screwing fasteners and drilling mounting holes in cars and machinery.