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St. Paul Foundry

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ISO 9001:2015*


Holes and pockets may be produced either by incorporation into the pattern (provided size limitations, draft requirements and direction of draw are satisfactory), or by insertion of separately made cores. These cores will give a flexibility of design to the casting, but generally at a higher production cost.

The limiting factors in casting holes and pockets are depth (L), degree of draft (d) and the narrowest dimension across the hole (a).

Because of the diverse nature of cored holes, it is best to consult your foundry on aspect ratios and core capabilities. Remarkable complexity can be achieved.

St. Paul Foundry
954 Minnehaha Avenue West
Saint Paul, Minnesota 55104
(651) 488-5567  Fax: (651) 488-0908
Sales: (651) 312-4734 email

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 Orion Registrar Inc. Registered to AS9100D(2016) and ISO 9001:2015  Defense Logistics Agency, Joint Certification Program, United States and Canada American Foundry Society Corporate Member