Double Chuck Adapter Set - 1" Bore, for Brake Lathes

Double Chuck Adapter Set for 1" Arbor Includes:

Double Chuck Adapter (5"diameter double sided chuck)
Small Backing Plate (4-3/4" diameter)
Medium Backing Plate (5" diameter)
Toyota Backing Plate (6-1/4" diameter)
Large Backing Plate(7-1/4" diameter)
Wrench (3/8" drive)

Fits the following brake lathe brands:

Any 1" Arbor

Interchangeable part numbers:

Ammco: 940921

W.Y. International: 80040K

MT-RSR Insights:

Ammco"s exclusive Double Chuck Kit has 2 sets of concentric, expanding jaws to grip the center-hole and eliminate the need for cones.
Passenger car jaws are permanently mounted on one side and truck jaws on the other side No need to change jaws out.
Fits all popular arbor brake lathes.
Handles virtually all hub-less drums and rotors (including composite) through 1-ton vehicles (Range: 2.125"- 5.75").
Choose from only 5 pieces to store and maintain.
The weight and mass of the Double Chuck with Backing Plate virtually eliminate chatter and vibration from all hub-less applications, including composite drums and rotors.
75% fewer pieces mean less maintenance and minimal replacement costs. Eliminates run-out and set-up problems with its self-centering feature

Click here for how to mount the jaws

Click here for double chuck instructions

We aim to ship all orders within 1–2 business days. Delivery times may vary based on your location and selected shipping method.

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Not satisfied with your purchase? We accept returns within 30 days of delivery on most items in new condition.

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