6 PCS Stepdown Drill Bit and Saw Drill Set HSS Drill Bits

Features

• Main Usage : wood, stainless steel, mold steel, steel sheet and different kinds of metal material.
• Material: High Speed Steel
• Surface Treatment: Titanium Plating
• Stepdown Drill Bits: 4-12mm/ 4-20mm/ 4-32mm
• Saw Drill Bits: 3mm/ 6mm/ 8mm