Quick Chuck Adapter

Universal Brake Lathe Adapter
Its unique self centering design makes Quick Chuck the simplest, quickest and most precision brake lathe adapter for machining Hub-less Drums, Rotors and Composite Rotors on any 1” arbor brake lathe while eliminating run-out and set-up problems. The weight and mass of the Quick Chuck with Backing Plate virtually stops Chatter and Vibration in its tracks.

The Quick Chuck, with all optional, Accessories allows machining of Drums and Rotors with centering holes from 2-1/8” to 5-3/4” from compact cars up to 1-ton trucks.


  • Eliminates run-out and set-up problems with its self-centering feature
  • The weight and mass of the Quick Chuck with Backing Plate virtually eliminates chatter and vibration from all hub-less applications, including composite drums and rotors
  • Fits all popular 1” arbor brake lathes.
  • Eliminates centering cones, clamping cups and composite adapter systems.
  • Fits drums and rotors with centering holes from 2-1/8 to 5-3/4” from compact cars to 1-ton trucks (with optional Accessories)
  • 75% fewer pieces means less maintenance and minimal replacement costs.
  • 5 year limited warranty

As easy as 1-2-3

  1. Mount Quick Chuck on top side of the Rotor or Drum
  2. Slide Backing Plate and Quick Chuck assembly onto Arbor
  3. Add spacers, Arbor nut and tighten

*Drum pictured requires optional Large Jaw Set and Large Backing Plate

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Quick Chuck Adapter (with standard backing plate and wrench)

  • Quick Chuck (3 jaw chuck, 5" diameter) Part# 70042
  • Standard Backing Plate (5" diameter) Part# 70043
  • Wrench Part# 70044

(Fits drums and rotors with holes form 2-1/8" to 3-3/4")


Optional Accessories Available

Large Jaw Set
part# 70041

Fits hub-less rotors & drums with centering holes from 3-3/4” to 5-3/4”

Small Backing Plate
part# 70047

(4.250” -OD) for use with small hub-less rotors and drums

Toyota Truck Backing Plate
part# 70054

(6.250” -OD) for use with Toyota Trucks (Tundra)

Large Backing Plate
part# 70046

(7.250” -OD) for use with large hub-less rotors and drums