4mm Long Series Drill Bit – Gold Series (OAL 146mm)

• M2 HSS Fully ground M2 HSS material increases drill life
• Titanium Nitride coating reduces heat and increases lubricity for extended life
• 135° Split Point cuts faster and reduces wandering

• Longer Flute & overall length for drilling deeper holes

Fully ground M2 HSS material increases drill life

Key Features:

• Fully ground M2 HSS material increases drill life
• Titanium Nitride coating reduces heat and increases lubricity for extended life
• 135 Deg Split Point cuts faster and reduces wandering