Dual-layer dry bolt coating
The invention discloses a dual-layer dry bolt coating. A bolt includes a body and a threaded portion formed on the body. The bolt further includes a phosphate base coat, which covers at least the body and is in direct contact with the body. The bolt also includes a PTFE overcoat, which substantially...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a dual-layer dry bolt coating. A bolt includes a body and a threaded portion formed on the body. The bolt further includes a phosphate base coat, which covers at least the body and is in direct contact with the body. The bolt also includes a PTFE overcoat, which substantially covers the phosphate base coat and is separated from the body of the bolt by the phosphate base coat. |
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