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Hand-knob assembly with a captive, freely rotating washer to prevent marring in clamping applications. Four-prong knob design provides a firm grip for applications requiring quick tightening and high torque. Plain-end screw with no dogpoint. Made in USA.
| Item | Material | Heat Treat | Finish | DFARS | RoHS |
| Knob | 319 Aluminum Alloy | Yes | Yes | Yes | Yes |
| Screw | 1215 Steel | Yes | Black Oxide Finish | Yes | Yes |
| Washer | Mild Steel | Yes | Black Oxide Finish or Black Nylon | Yes | Yes |

| A Thread (Inch) | B (Inch) | C Diameter (Inch) | H (Inch) | K Diameter (Inch) |
| 5/16-18" | 1-3/4" | 1-3/4" | 1.34" | 3/4" |
Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
US$40
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