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

【High Quality Material】The metric tap set is made of hard alloy steel with a chrome-plated surface. Heat treated for hardness, Rockwell hardness HRC59-62. Which are durable and feature high hardness, non-deformation, anti-rust and anti-corrosion.

【Metric Tap and Die Set】This 12-piece metric tap and die set contains 5 taps and 5 dies, helps to cut and clean internal and external threads in common conventional sizes from M3 to M12. The set also includes 1 long handle tap, 1 adjustable tap.

【Tap and Tap Wrench Combo】This set comes with 5 taps and a tap wrench. The tap is mainly a tool for making nuts. After selecting the right tap model, it can be polished with our tap wrench and the tap placed horizontally. Screw it vertically into the tap. Once the wrench is fixed, turn the knob one to two turns with both hands.

【External Thread Machining Die and Wrench】 In this set, we are equipped with 5 dies and a die wrench. The die is mainly used to polish and repair the outer contour of the screw. The pattern of each die is different. Choose the appropriate die to fix. In our die wrench, after tightening with a screwdriver, fix the screw on the machine and screw the die into the screw.

【Wide Application】 These tools are perfect for correcting or creating internal and external threads in wood, copper, aluminum, iron, carbon steel and more. This metric tap set is ideal for screwing fasteners, car and machine mounting holes.