
DFCI Solutions Inc.
The original manufacturer of the Quarter-Turn fastener.
Our company has not changed ownership and is still a
Veteran Owned - Small Business.
The Customer is Number One!
Go Green and Save Green!
When selecting finishes, select the RoHS compliant finishes. They are better for the environment and less expensive!
PA-3500 Line Optional Black Finishes
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| Black Oxide over Copper | Copper plate .0005" (.01 mm) with dull black oxide conversion, and dull black wax coating. Available on all listed 3506-SC and 3522-S assemblies. Change the finish suffix from "C3C" to "BOC". |
| Black Chromate over Zinc Plate | Zinc Plate, .0003" (.08 mm) thick, ASTM-B-633, Type II, Class 2, with black chromate finish. Change the finish suffix from "C3C" to Z3B". |
| Black Epoxy Paint over Cadmium | Cadmium plate per QQ-P-416, Type II, Class 2, plus black epoxy primer, .0006" (.15 mm) minimum, and dull black epoxy enamel, .0003" (.08 mm) minimum. Only visible surfaces in installed position are painted. Available on 3506-SC assemblies in -38, -41, and -44 lengths, and others on special order. Change the finish suffix from "C3C" to "EEB". |