*PO* Drill Bit Jobber HSS 4.0mm Long Series

Drill Bit Twist HSS 4.0mm Long Series

Made from high speed steel (HSS) for durability and have a titanium nitride coating (TiN) to increase lubrication and reduce heat.

Features:

• Longer flute & overall length for drilling deeper holes

• 135° split point for fast, stable drilling
  

• High speed steel drills