Core-Tech is the industry's leader in providing superior extruded ceramic cores and mold supports. Our exclusive formulations offer you the most flexibility depending on your requirements. Whether your specifications require holding a tight tolerance, adding a hole or a passageway with a constant cross-section (square, round, rectangle, hexagon, triangle, etc.) or require a taper or some other detail that can be form ground into a diameter, Core-Tech’s extruded ceramic cores are the answer. | 
