TOP Kogyo Hex Shank Long Metalworking Drill Bit 4.2mm ETD-4.2L

• Suitable Materials: iron, aluminum, copper, wood • The long flute length drills through thick workpieces in one pass • The tip is thinned, allowing holes to be drilled at accurate positions • Compatible with 18V impact drivers [Caution] • Always wear protective glasses while working • Avoid wearing gloves while working, as they may get caught • Cannot be used to drill heat-treated steel plates • Applying too much impact may damage the cutting edge, so please be careful • When working on small items, secure them firmly with locking pliers or similar before working