10Pcs 3.2mm 3.5mm 4.2mm 5.0mm 5.2mm Double Ended Spiral Torsion Drill Tools Drills Set(5mm)

To removing chips, with big space and small resistance; Smooth chip removal, less heating value,Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.Specifications:Material: High Speed SteelType: Torsion DrillUtilization: Metal Drilling3.2mm-Length: 47mm3.5mm-Length: 47mm4.2mm-Length: 50mm5mm-Length: 54mm5.2mm-Length: 54mmPackage include: 10PCS

• To removing chips, with big space and small resistance; Smooth chip removal, less heating value,
• Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
• Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.
• Precision machining by high accurate equipment;
• With good milling and cutting performance, ensuring high efficiency;
• High hardness, wear resistance, and intensity; anti-bending;
• To removing chips, with big space and small resistance; Smooth chip removal, less heating value,
• Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
• Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.