Thecountersink drill bits drill clean pilot holes and countersinkson wood, composite materials, and plastics, featuringQuick-change hex shank.Fast countersinking and counterboring in one step.Made from premium high-speed steel.Fast chip removal.6 different sizes are available.Technical informationScrew SizeDrill Size.(in.)Drill Size. (mm)Countersink Size(mm)OAL(mm)#4-57/642.779.586#6-79/643.579.592.3#8-911/644.369.5101.8#103/164.769.5108.2#127/325.5512.7114.5#141/46.3512.7120ApplicationsWoodComposite MaterialPlasticsMachineScrewdriversDrillsScrew gunsSHIPPING DIAMETERUNITPcsNet Weight50PackageIn Plastic BoxPackage Size95 x 18 x 18mm

countersink bits, Outlet