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Products > Lathe Chucks > Adapters

LittleMachineShop.com has a full range of lathe chuck adapters for mounting a lathe chuck on a lathe.

A short note on our terminology

  • Adapter: Products listed as Adapters are flat adapters that bolt-on to lathes and no machining is required. See the product compatibility tab for machines that will support any given adapter.
  • Backplate Lathe Chuck Adapter: Products whose name begins with Backplate Lathe Chuck Adapter are flat adapters that are machined on the lathe side. The chuck side needs machining. Backplates are unthreaded.
  • Chuck Adapter: These products are threaded adapters. The chuck side needs machining. See link below for a reference page correlating lathe spindle threads to lathe chuck adapters.

When buying a Threaded Chuck Adapter

To help you get the right threaded backplate lathe chuck adapter, we have a chart that correlates lathe spindle threads to lathe chuck adapters and a chart that provides dimensions of threaded lathe chuck adapters .

The first rule of buying a threaded adapter is to measure the threads on your spindle. There are simply too may variants of every kind of lathe to trust any chart. Here is a Paper Thread Gage to help measure.

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Chuck Adapter, 1"-10 Thread 4" Diameter
1791 Chuck Adapter, 1"-10 Thread 4" Diameter    
$24.95  
Chuck Adapter, 1"-10 Thread 4" Diameter, 3 Holes
1917 Chuck Adapter, 1"-10 Thread 4" Diameter, 3 Holes    
$25.95  
Chuck Adapter, 1"-10 Thread 5" Diameter
2333 Chuck Adapter, 1"-10 Thread 5" Diameter    
$43.95  
Chuck Adapter, 1"-10 Thread 6" Diameter
2334 Chuck Adapter, 1"-10 Thread 6" Diameter    
$54.95  
Chuck Adapter, 1"-8 Thread 4" Diameter
1790 Chuck Adapter, 1"-8 Thread 4" Diameter    
$24.95  
Chuck Adapter, 1"-8 Thread 4" Diameter, 3 Holes
1916 Chuck Adapter, 1"-8 Thread 4" Diameter, 3 Holes    
$25.95  
Chuck Adapter, 1"-8 Thread 5" Diameter
2331 Chuck Adapter, 1"-8 Thread 5" Diameter    
$42.95  
Chuck Adapter, 1"-8 Thread 6" Diameter
2332 Chuck Adapter, 1"-8 Thread 6" Diameter    
$53.95  
Chuck Adapter, 1-1/2"-8 Thread 4" Diameter
1792 Chuck Adapter, 1-1/2"-8 Thread 4" Diameter    
$24.95   Not in stock
Chuck Adapter, 1-1/2"-8 Thread 4" Diameter, 3 Holes
1918 Chuck Adapter, 1-1/2"-8 Thread 4" Diameter, 3 Holes    
$25.95  
Chuck Adapter, 1-1/2"-8 Thread 6" Diameter
1919 Chuck Adapter, 1-1/2"-8 Thread 6" Diameter    
$52.95  
Chuck Adapter, 1-3/4"-8 Thread 6" Diameter
5126 Chuck Adapter, 1-3/4"-8 Thread 6" Diameter    
$52.95  
Chuck Adapter, 1/2"-20 Thread 3" Diameter, 3 Holes
2022 Chuck Adapter, 1/2"-20 Thread 3" Diameter, 3 Holes    
$23.95  
Chuck Adapter, 2-1/4"-8 Thread 6" Diameter
1923 Chuck Adapter, 2-1/4"-8 Thread 6" Diameter    
$52.95  
Chuck Adapter, 3/4"-16 Thread 3" Diameter, 6 Holes
1920 Chuck Adapter, 3/4"-16 Thread 3" Diameter, 6 Holes    
$23.95  
Chuck Adapter, M39 x 4 Thread 4" Diameter
1921 Chuck Adapter, M39 x 4 Thread 4" Diameter    
$25.95  
Chuck Adapter, M39 x 4 Thread 6" Diameter
1922 Chuck Adapter, M39 x 4 Thread 6" Diameter    
$52.95  
Chuck Adapter, Unthreaded 4" Diameter
2335 Chuck Adapter, Unthreaded 4" Diameter    
$25.95  
Chuck Adapter, Unthreaded 6" Diameter
2336 Chuck Adapter, Unthreaded 6" Diameter    
$52.95  
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