6-piece threaded tap set, metric thread M3-M10, long hexagonal shank fluted tap tip, silver

Efficient: This tap drill bit can drill and tap simultaneously, increasing work efficiency.

Key Functions: This tap drill bit is ideal for threading, cutting, or forming concave parts of mating pairs.

High Quality: This tap is made of high-speed steel with a nitrided surface for high hardness and rust resistance.

M3-M10: This tap drill bit is available in 6 different sizes, with 6 different tap sizes from M3 to M10, which can be used to connect various threads.

High Precision: This tap drill bit features a spiral flute design that facilitates the chip removal process.

These tapping bits are used for tapping, which is generally more accurate as it eliminates human error. Material: High-speed steel. Hex shank: 6.35 mm (1/4"). Metric threads: M3, M4, M5, M6, M8, M10. Distance: 0.5 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.25 mm, 1.5 mm.