1. Name of the product in this design: Broken groove of
drill bit twist shear screw. 2. Purpose of this design: The whole is a
drill bit torsion shear screw, a hardware screw used for drilling, tapping, and tightening; the part is a break-off groove of the
drill bit torsion shear screw, used to break off its end. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design'
s key points: 3D view 1. 5. Other situations requiring explanation: Request protection for the portion not covered by the pink semi-transparent color block.