Knurling Screw is designed to use in the knurling procedure run on lathe machine. This type of screw adds functionality to the object and decorative framework to the material. The screw is such usage, which uses a knurled finish in places of hexagonal or square edges that support in tightening or loosening the nut without the support of any tool. Its knurled surface provides perfect clutch to hold the screw between the thumb and forefinger. The Knurling Screw has great resistance against chemicals & fluids, making ideal for applications which calls for chemical & fluid properties.