Negative Rake Carbide Insert Bits, 10-Pack | Fits AMMCO Brake Lathes | Part #6914-10 Impact Wrench Specs: SAE 0W-20 | API

Specs: SAE 0W-20 | API SP

5/16" Thick x 4" Long: Wider profile and extra length for thorough prep of larger puncture injuries and thicker tire casings

and models that specify Pink coolant technology

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

Negative Rake Carbide Insert Bits, 10-Pack | Fits AMMCO Brake Lathes | Part #6914-10 Impact Wrench Specs: SAE 0W-20 | APIBrake 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