This 80-piece HSS-Co drill set from Labor is designed for precise drilling in hard-to-machine materials such as stainless steel, high-alloy steels, and cast iron. The drills are made from M35 steel with 5% cobalt, offering high heat resistance and durability.

The fully ground construction ensures sharp edges and tight tolerances. The 135° split point makes the bits self-centering, reducing the need for pilot holes and minimizing vibration. For best performance and extended life, use with cutting oil.

Features:

• Material: HSS-Co (M35) with 5% cobalt

• Standard: DIN 338

• Finish: fully ground

• Point angle: 135° split point

• Right-hand cutting

• Self-centering

• Recommended use with cutting oil

Contents:

• 10× each: 3.0 to 6.0 mm (in 0.5 mm steps)

• 5× each: 8.0 mm and 10.0 mm

• Supplied in a strong metal case