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MICRO INCH/SPI-SPE CORRELATION

RECEIVED A BLUEPRINT FROM A CUSTOMER STATING 16 MICRO INCH FINISH MAXIMUM ON A LNP PBT WFL4036(NATURAL)MATERIAL. WHAT WOULD THE CROSS REFERENCE TO SPI-SPE BE?

ELIZABETH ROUSH
PLASTIC INJECTION MOLDING- AUTOMOTIVE - ELGIN, ILLINOIS, USA
2004

The standard unit of measure for U.K. machining is? 1 62 finish in the U.S. means RMS what do the British use and what would the equivalent be to a 62 and 31 finsh?

Gino Montgomery
EEC - Baltimore, MD, U.S.A
2004

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