Looking for a quick, precise, and durable way to make threaded holes? A tap drill bit is the perfect solution for both professionals and DIY enthusiasts. The HSS M3 x 0.5 mm tap drill bit with a 1/4” HEX shank allows you to drill and thread in one go – no need to change tools!

Key product features:

• Thread size: M3 x 0.5 mm


• Type: Combination tap drill bit


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


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


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


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


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

Why choose this drill bit?

• Drilling + threading in one step – saves time and improves workflow


• Exceptional durability – HSS with titanium coating ensures long life


• Versatility – compatible with standard chucks and screwdrivers


• Precision craftsmanship – perfect for fine mechanical work and electronics


• Ergonomic and reliable – ideal tool for workshops, service centers, manufacturing, and home use