Sprue Bushings-cooling(new)

Sprue bushing and locating ring made of hot rolled steel. The tapered bore subject to precision grinding offers ease of demolding. The front end can be machined to various shapes and structure. The tapered bore of pinpoint gate has high precision and allows easy demolding. The front end can be machined to various shapes. The runner lock pin made of high speed steel is of high strength and excellent wearing resistance.