4/5/6/6.5 mm Drill Bit Saw Multifunctional Serrated Twist Drill Bits Hole File

Product Name:Drill Bit Saw

Material: HSS

Size：4mm 5mm 6mm 6.5mm

Features: High hardness/good wear resistance/sharp cutting edge for faster drilling

Scenario: suitable for thin wood/aluminium alloy iron plate groove processing

Tips: Suitable for cutting plate thickness can not be higher than 3MM, if you need to cut, it should be used with 36V or above cordless drill or plug-in power 350W electric drill.