Engineered for high performance and maximum durability, the TERRAX 19-Piece Twist Drill Bit Set is a workshop essential designed to tackle the toughest materials with ease.

Crafted from premium HSSE-Co 5 (5% Cobalt alloy), these high-speed steel twist drills offer exceptional heat resistance and a significantly extended tool life compared to standard HSS bits. This makes them the ultimate choice for drilling into stubborn, high-strength materials like stainless steel, alloyed steels, and tough metals. Includes all vital workshop sizes from 1.0mm up to 10.0mm in precise 0.5mm increments.