Recommended for use when there is sufficient room on a blind hole and tapping to the bottom is not required
general-purpose tap with 3-5 chamfered threads
Heat-treated carbon steel provides long life and clean, accurate threads
Rolled threads provide more accuracy than machined threads
Black oxide coating provides corrosion resistance
Bosch black oxide taps and dies offer superior durability and speed for most general-purpose applications. Laser-etched marking ensures size identification and won't wear off. Ideal for cutting thread holes into metal and work equally well in plastic drilling applications.