Classic, easy-to-grip cast iron clamping knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque. Choice of five knob sizes, each available blank, tapped, tapped through, or reamed. Made in USA.

Blank

Tapped

Tapped Through

Reamed
| ITEM | MATERIAL | HEAT TREAT | FINISH | DFARS | RoHS |
| Hand Knobs (Cast Iron) | Zinc Plated Clear Chromate | - | - | โ | โ |

| D Diameter (mm) | A Diameter (mm) | B (mm) | C (mm) | H (mm) | E Thread | Thread Pitch (mm) | E Thread Depth ±1.6 (mm) |
| 64 mm | 29 mm | 25 mm | 13 mm | 42 mm | M12 | 1.75 mm | 32 mm |