▎ 摘　　要

NOVELTY - The screw has a screw body provided with a hollow hole core, a feeding section, a cutting section and a barrier section. An outer surface of the hollow hole core is formed with a graphene layer. A section of a screw rod is connected with the hollow hole core. USE - High-strength screw. ADVANTAGE - The screw is inexpensive to use, and has high mechanical strength, better wear resistance effect and better cooling effect, and avoids easy burning phenomenon and reduces electric energy consumption. DESCRIPTION OF DRAWING(S) - The drawing shows a front view of a high-strength screw.