ST-1200 Size 4 Studs Finishes

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RoHS (Restriction of Hazardous Substances) Compliant Finishes

Finish
Suffix		Old
Finish		Older
Finish
****		Finish DescriptionSpecification
BOCRBRBOBlack oxide over copper
sealer: clear acrylic dip		MIL-C-14550, CLASS 2, COPPER PLATE
MIL-F-495, BLACK OXIDE OVER COPPER
BOFBABOBlack oxide over ferrous metal - Class to be determined by materialMIL-C-13924, CLASS 1, 3, 4
K3BKBBKBChromium plate, NI .0003 thick, black chromiumMIL-C-14538, COLOR NO. 37038/FED-STD-595
K3CKBCKChromium plate, NI .0003 thick, bright (clear) chromiumQQ-C-320, TYPE I, CLASS 1, BRIGHT
K3GKBG---Chromium plate, NI .0003 thick, bronze-gold chromiumQQ-C-320, TYPE I, CLASS 1, BRONZE
N2GNAC---Nickel plate .0002 thick with copper undercoatingQQ-N-290, CLASS 1 GRADE G
ZFBT------Zinc Flake Coating with Black Sealer
Delta Seal Black GZ Coating		Delta Protekt
KL100
Z2CT------Zinc Trivalent Clear .0002 thick. Trivalent Chromate Clear with SealerASTM-B-633, Type III, SC 1, Clear
Z2YT------Zinc Trivalent Clear .0002 thick. Trivalent Chromate Yellow Dye with SealerASTM-B-633, Type II, SC 1, Yellow
Z3CZBCZICZinc electroplate .0003 thick, clear trivalent chromateASTM-B-633, TYPE III, SC 2, CLEAR
Z3CT------Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with SealerASTM-B-633, Type III, SC 2, Clear
Z3YT------Zinc Trivalent Yellow .0003 thick, Trivalent Chromate Yellow Dye with Sealer

We recommend the Z3CT finish instead of the Z3YT finish. The Z3CT finish is much more cost effective and provides the same salt spray benefits as the Z3YT finish.		ASTM-B-633, Type II, SC 2, Yellow

Standard Finishes

Finish
Suffix		Old
Finish		Older
Finish
****		Finish DescriptionSpecification
BBLN---Black Bear (rust inhibitor)---
BLLO---Black Lacquer---
OPC------Zinc Plate per ASTM-B-633, Type II, SC3, Yellow Chromate Apply one additional coat Epoxy Resin per AM General specification 12469117 TYPE S426 Organic Protective Coating.ASTM B 633, TYPE II, SC3 YELLOW CHROMATE
AMG 12469117 TYPE S426
PASPS---Passivation of Stainless Steel partsQQ-P-35, Type to be determined by material type
Z2YZAYZIYZinc electroplate .0002 thick, yellow chromateASTM-B-633, TYPE II, SC 1 YELLOW
Z3BZBBZIB, ZI8Zinc electroplate .0003 thick, black chromateASTM-B-633, TYPE II, SC 2, BLACK
Z3DZBDZIOZinc electroplate .0003 thick, olive drab chromateASTM-B-633, TYPE II, SC 2, OLIVE DRAB
Z3GZBG---Zinc electroplate .0003 thick, bronze-gold chromateASTM-B-633, TYPE II, SC 2, BRONZE
Z3YZBYZIYZinc electroplate .0003 thick, yellow chromateASTM-B-633, TYPE II, SC 2 YELLOW
ZPPZPP---Zinc Phosphate---

NOTE: Some of the finishes listed may not always be available. Availability may be affected by order quantity and lead time. Type of plating ordered can affect lead time.

**** There may be some duplication in the finish codes for the older finishes as the older finishes did not include specifications for the finish thickness. Please select the current finish code for the appropriate thickness.