Numerical control woodworking drill bit

The numerical control woodworking drill bit is composed of a cutter handle, a cutter body, a cutting part and an adjusting screw, the cutting part and a fixing base are welded into a whole in an induction mode through silver-based solder, two large-arc chip removal spiral grooves and two small-arc spiral grooves are formed in the outer cylindrical face of the cutter body, two arc-shaped main cutting edges are arranged at the right end of the cutting part, and two small-arc-shaped main cutting edges are arranged at the right end of the cutter body. The outer ends of the two arc-shaped main cutting edges are provided with two outwards-protruding side edges, the right end of the cutting part is further provided with a drill point, the outer circle of the cutting part is provided with a cylindrical edge belt, the large arc chip removal spiral groove and the small arc chip removal spiral groove in the cutting part and the cutter body are formed in the chip removal direction, and the cutting part is further provide