Precision knurled liner bushing for mounting air-feed drills in fiberglass or plastic tooling. AT-series knurled lock liners are designed especially for AT-series one-piece adaptor tips, and are not compatible with any other liners or air-feed accessories.
| Material | Heat Treat | Finish | DFARS | RoHS |
| 1144 Stressproof Steel | Heat treated to achieve Rc 62-64 ID hardness | - | โ | โ |
| A ID Nominal (Inch) | A ID Actual (Inch) | B OD (Inch) | C (Inch) | D (Inch) | F Diameter (Inch) |
| 9/16" | 0.5627/0.5630" | 13/16" | 1-3/8" | 7/8" | 15/16" |
714.897.1700
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