This double-edge spiral milling cutter set contains 10 pieces. The shank and cutting diameter are both 1/8 inch, the cutting length is 0.67 inch, and the total length is 1.5 inch. It is compatible with CNC and 1/8 inch chuck hand-held milling machines. The double-edge spiral structure cuts smoothly and discharges chips efficiently, outperforming the straight head design. The DLC coating enhances hardness, wear resistance and heat resistance, prolonging the service life. The selected hard alloy material balances durability and sharpness, making it suitable for high-strength processing. It is widely applicable to materials such as nylon, resin, ABS, acrylic, PVC, medium-density fiberboard, hardwood, etc. It can be used for three-dimensional engraving, surface treatment, cutting, slotting, milling and other scenarios, meeting diverse processing requirements.