6pcs HSS M3-M10 tapping drill bit set with a HEX mount

A complete tap drill bit set is the perfect solution for anyone who values precision, durability, and convenience. The set includes 6 tap drill bits that allow you to drill and thread holes in one step – no need to change tools! Made from high-quality High Speed Steel (HSS) and coated with titanium (TiN), these tools offer enhanced durability and wear resistance.

Sizes included:

• M3 x 0.5 mm


• M4 x 0.7 mm


• M5 x 0.8 mm


• M6 x 1.0 mm


• M8 x 1.25 mm


• M10 x 1.5 mm

Key product features:

• Type: Combination tap drill bits


• Material: High-quality High Speed Steel (HSS)


• Application: Suitable for metal, aluminum, plastic, and synthetic materials


• Shank: 1/4” HEX (6.35 mm) – compatible with most screwdrivers, quick-change chucks, and magnetic bit holders


• Coating: Titanium (TiN) – improves resistance to wear and heat


• Precision: Perfect for accurate drilling and threading, even in hard-to-reach areas

Why choose this tap drill bit set?

• Drilling + threading in one step – saves time and increases work efficiency


• Exceptional durability – HSS with titanium coating ensures long tool life


• Versatile compatibility – fits standard chucks and screwdrivers


• Precision craftsmanship – great for fine mechanical work and electronics


• Ergonomic and reliable – the ideal tool set for workshops, repair services, production, and home use