AMMCO 6854 Red 3-Arm Star Knob for Ammco Brake Lathe Machines

Heavy-Duty Red 3-Arm Star Knob | Ammco Brake Lathe Replacement Restore the precision and ergonomics of your bench lathe with our High-Visibility Red 3-Arm Star Knob. This industrial-grade adjustment handle is a direct replacement for the standard Ammco 906854 and 6854 series hardware. Engineered with a reinforced three-arm design, it provides maximum torque and a secure grip for locking down tool posts and cross-feed settings, even with greasy or gloved hands. Technical Features & Workshop Advantages: Impact-Resistant Construction: Manufactured from a high-density polymer that resists cracking, chipping, and shop chemicals like brake fluid and motor oil. Threaded Steel Core: Features a precision-machined steel insert for stripped-thread resistance and long-term durability under high-clamping pressure. High-Visibility Red: The bright red finish makes it easy to locate primary adjustment points, improving workflow speed and safety during lathe operation. Ergonomic 3-Arm Geometry: The star-shaped design offers superior leverage compared to round or 2-arm knobs, ensuring your settings stay locked during heavy material removal. Compatibility & Specifications: Feature Technical Detail Ammco Lathe Models 2002, 3000, 3850, 3860, 4000, 4100, 7000, 7500, 7700 Cross-Reference 906854, 6854, KB6854, TMRLS9879 Internal Core Threaded Steel Insert Knob Style 3-Arm Star / Tri-Lobe Shop Note: Over-tightening worn knobs can cause the plastic to separate from the steel core. If your current knob feels "spongy" or slips under load, replace it immediately to prevent your tool holders from shifting during a cut.