An industrial 4mm HSS drill bit offering balanced strength and fast drilling performance for professional daily use.

• Where is the DH-MHZ040-E1 applied?
  • Metal bracket and panel installation.
  • HVAC and electrical fitting work.
  • Fabrication and workshop maintenance.
  • Construction site metal drilling applications.
• What are the advantages of the DH-MHZ040-E1?
  • Impact-resistant treated steel construction.
  • Efficient parabolic flute geometry.
  • Precision-machined drilling accuracy.
  • Smooth chip evacuation for cooler drilling.