Quick Chuck Adapter (70040)

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

Consists of the following parts:

  • Quick Chuck (3 jaw chuck, 5" diameter) Part# 70042
  • Standard Backing Plate (5" diameter) Part# 70043
  • Wrench Part# 70044
  • WARNING: Cancer and Reproductive Harm -
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