PCS Company’s Ball Check Screw Tips are made of hardened H-13 tool steel. This style of screw tip is best suited for resins that have a high filler content or susceptible to contamination such as tramp metal. The 4-piece construction allows the processor to replace work items individually. Use our quote request form to ensure the ball check screw tips is designed and construction for your specific press and application. Constructed of H-13 tool steel.