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Dimensional Tolerances
General Acceptance Criteria
GENERAL ACCEPTANCE CRITERIA

Dexter Foundry quotes are based on the following guidelines. Please contact the Casting Design Department if special allowances are required.

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Feature Allowance
Parting Lines ± 1/32 inch
Gate & riser connections ± 1/32 inch
Core fins (flashing) ± 1/32 inch
Shift (mismatch) ± 1/32 inch
Other positive metal ± 1/32 inch
Scale/scab (loose material) None
Voids (surface porosity) :
Machined surfaces 1/8 inch diameter X 1/16 inch deep
Cored surfaces 1/8 inch diameter X 1/3 of wall thickness
As Cast surfaces 1/8 inch diameter X 1/32 inch deep