HSS Square Hole Twist Drill Bits Wood Drill Bit Wood Hole Saw Auger Mortising Chisel Extended Saw

The square hole drill bits need to be used in conjunction with the mortise machine. The carbide drill bit tipped is sharp and wear-resistant. With high hardness and long service life. This square hole drill bit is suitable for wood, including MDF, MDF, particle board, channel wood, pine wood, basswood, etc. Features: Purchase Notes. The square hole drill bits need to be used in conjunction with the mortise machine. These drill bits not usable with a hand held drill. If you want to use these drill bits on drill press, you need accessories to connect to a drill press. Easy to Drill. The carbide drill bit tipped is sharp and wear-resistant. With high hardness and long service life. The drill sleeve has a U-shaped design to facilitate the discharge of wood chips and improve the drilling efficiency. Widely Applications. This square hole drill bit is suitable for wood, including MDF, MDF, particle board, channel wood, pine wood, basswood, etc. Note: It is not suitable for processing metal, g