Ronix HSS Twist Drill Bit Set 4.5mm 10pcs RH-5380

Features

• Fully Ground Premium High-Speed Steel M2, especially designed for heavy duty purpose, effect clean & smooth holes on hard metal like stainless steel and moreover, at least 3 times longer life.
• Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance.
• Hardened &Tempered with Silver color finishing for higher Durability and efficiency.
• Ground flutes provide fast chip removal to maximize accuracy and efficiency along the full working surface of the bit.