The square drill bits drill square holes easily and accurately in solid wood board, plywood, MDF, etc. They are designed to be used with a mortise machine. With the necessary accessories, these mortising chisel bits can also be connected to a drill press.These square hole bits are made from high-speed steel and undergo heat treatment to achieve high hardness.The square chisels are very sharp and durable, reducing the effort and saving you time in the drilling process.The U-shape design ensures smooth chip removal.These long mortise bits have a high level of centricity, ensuring precision and accuracy cut.4 different sizes of mortise drill bits are available: 1/4inch 5/16inch 3/8inch 1/2inchTechnical informationDrill SizeShank SizeOAL1/4″6.8mm170mm5/16″5.5mm210mm3/8″6.5mm210mm1/2″8mm210mmApplicationsWoodComposite MaterialMachineMortise MachineDrill PressSHIPPING DIAMETERUNITPcsNet Weight50PackageIn Plastic BoxPackage Size95 x 18 x 18mm

Square Hole Drill Bits