Available finishes for self-clinching fasteners from Captive®
| Finish | Chromate | Suffix | RoHs |
| Black Dry Film Lube | --- | ML | Yes |
| Black Nitrate | --- | BN | Yes |
| Black Oxide | --- | BO | Yes |
| Bright Acid Tin | --- | BT | Yes |
| Cadmium | Black | CB | No |
| Cadmium | Yellow | CC | No |
| Cadmium | Clear | CI | No |
| Cadmium | Dry Film Lube | EF | No |
| Copper Flash | --- | CF | Yes |
| Copper, Nickel, Tin | --- | CT | Yes |
| Dacromet 320 | --- | DM | No |
| Electro Tin | --- | ET | Yes |
| Geomet | --- | GM | Yes |
| LM1293 | --- | LM | Yes |
| Nickel over Copper Flash | --- | NC | Yes |
| Nickel Plate | --- | NI | Yes |
| Nylon Locking Patch | --- | NP | Yes |
| Tin Lead | --- | TL | No |
| Zinc (*) | Clear | ZI | Yes |
| Zinc w/ a Sealer (**) | Clear | ZS | Yes |
| Zinc (***) | Black | ZB | Yes |
| Zinc (***) | Blue | BZ | Yes |
| Zinc (***) | Green | ZG | Yes |
| Zinc (***) | Red | ZR | Yes |
| Zinc (***) | Yellow | ZC | Yes |
| None | --- | X | Yes |
Notes:
1. Unless otherwise specified self clinching fasteners will be provided with zinc/clear chromate (ZI).
2. P/N Structure example: C632-1 ZC Finish.
3. In accordance with ANSI B1.1(inch) and ANSI B1.13M(metric) specifications, the maximum major diameter and pitch diameter of class 2A/6g plated studs can be gauged to class 3A/4h.
Other Finishes available upon request
* Zinc with clear hexavalent-free chromate, 5?m thickness on all significant surfaces, withstands 12 hours salt spray to white corrosion. Reference applicable sections – ASTM B633 & ASTM B117.
** Zinc with a clear hexavalent-free chromate and a sealer, 5?m thickness on all significant surfaces, withstands 72 hours salt spray to white corrosion. Reference applicable sections – ASTM B633 & ASTM B117.
*** Zinc with colored hexavalent-free chromate, 5?m thickness on all significant surface, withstands 96 hours salt spray to white corrosion. Reference applicable sections – ASTM B633 & ASTM B117
Captive Trade Mark Legend:
To assure you receive genuine Captive parts, look for the following trademarks.
 STUDS |
 FLOATING NUT |
 CFSP NUTS |
CF STEEL & STAINLESS NUTS (Cold Formed) |
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