If you are looking for a set of spiral groove tap that both high quality and durable， this one is it.

Features:
Titanium coated.
Performed well in cutting and drillling
High-speed steel， high quality with good durability.
Suitable for wood， plank， plastic， aluminium plate or sheet iron.
It includes 5 sizes in one drill bit set(M3， M4， M5， M6， M8)， which meet your different needs perfectly.

Specifications:
Material: High-speed steel
Surface Treatment: Titanium coated
Package Weight: Approx. 41g / 1.46oz
Package Size: Approx. 9 * 4 * 0.6cm / 4.72 * 1.57 * 0.24in

Package List:
5 * Spiral Groove Tap