Negative Rake Carbide Insert Bits, 10-Pack | Fits AMMCO Brake Lathes | Part #6914-10 Impact Wrench 39 in Gasket Thickness 0

39 in Gasket Thickness 0

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Quick-Change Adapter Included: Fast bit swaps and secure chuck engagement during high-volume repair workflows

Max Cold Pressure: 65 PSI - rated for all standard passenger car tire inflation pressures

The carbide bit cleanly preps the wound channel while the quick-change adapter ensures secure

Negative Rake Carbide Insert Bits, 10-Pack | Fits AMMCO Brake Lathes | Part #6914-10 Impact Wrench 39 in Gasket Thickness 0Brake Lathe Details Replacement negative rake carbide insert bits for AMMCO bench brake lathes equipped with negative rake tool holders. The negative rake geometry generates a stronger, more shear resistant cutting edge than positive rake bits, making it the preferred choice for tougher, harder grade rotor castings and older composition materials where edge survival is the priority over cutting speed. Industrial grade carbide with extended edge life