4mm To 10mm Diameter Extra Long HSS Auger Twist Drill Bit Straigth Shank 200mm<br>Descrption:Material:HSSShank Type:straight shankQuantity:1pcsSize:<br>          Type       Shank Diamter       Total Length           #1       4mm       200mm           #2       4.2mm           #3       4.5mm           #4       5mm           #5       5.2mm           #6       6mm           #7       8mm           #8       10mm   <br>Feature:Extra long twist drill bitDurable with HSS materialStraight shank design，suitable for many electric dirllsHigh drilling efficiency with sharp and twist flute designPerfect for wood ，metal，aluminum，palstic drilling usage<br>Package included:1X Extra Long Twist Drill Bit