M3 M4 M5 M6 M8 M10 M12 bearing steel machine spiral point straight groovesOOTDThe features: made of high hardness bearing steel. There are 7 different thread sizes from M3 to M12 for threading different threads. For cutting new threads or repairing damaged threads, you will have a smooth threading experience. These taps are used with a tapping wrench, the wrench is not included. An excellent tool for creating threads for wood, plastic, aluminum or many other soft materials. Specification: Material: High Speed Steel Size: M3/M4/M5/M6/M8/M10/M12Package Includes: 1x Tapping DrillNote: 1. Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.