Replacement Chief Frame Machine Collar Locking Knob

The Replacement Chief Frame Machine Tower Collar Locking Knob – heavy-duty non-OEM aftermarket knob that replaces Chief p/n 602829. Precision-machined with 1/2-13 SAE threads, this universal collar knob fits virtually every Chief frame machine tower (main and auxiliary), delivering rock-solid locking performance with direct drop-in installation and zero modifications.

Key Features & Compatibility:

• Replaces Chief p/n 602829
• 1/2-13 SAE thread pitch – Exact OEM spec
• Universal fit – Works with nearly all Chief frame machines
• Confirmed fit – Chief S21 & S21M series
• Confirmed fit – EZ Liner, EZ Liner II, Classic, EZ 25
• Confirmed fit – Chief Goliath & Impulse systems
• Confirmed fit – Chisum Signature & Signature Hybrid
• Main tower & auxiliary tower compatible
• Heavy-duty steel construction – Built for daily shop abuse