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Copper Disks

The Challenge:
A High Volume production project, requiring competitive pricing with very fast turn-around.

Part Specifications

Material Copper
Previous Operation Stamping
Dimensions .700" O.D. x .120 thick with a raised ring, approx. .500" dia x .460" I.D.

Pre-machined Condition

Thickness .120" .003"
Surface Finish As Stamped
Flatness .002"
Parallelism N/A
Presentation This stamped disc with its raised ring requires lapping to assure pressure sealing requirements are met.


Thickness Minimal stock removal for cleanup
Surface Finish 12Ra
Flatness .000050" (50 Millionths)
Parallelism N/A
Notes Lapping of one side is critical to the function of this fire-safety device.

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