Products for bench top machinists | LittleMachineShop.com

Adapter, 3" Spindle to 5" Lathe Chuck - 92MM Registration

Adapter, 3" Spindle to 5" Lathe Chuck - 92MM Registration - Main image
$21.86 $29.95 In stock

This adapter lets you mount 5" 3-jaw lathe chucks on your mini lathe in place of a 3" (80 mm) chuck.

The adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.

This adapter has a 92 mm diameter registration boss, and has 3 chuck mounting holes.

NOTE: It is an uncommon size for plain back chucks. Typically, a 5" plain back chuck will have a 95mm registration recess.

* Note Don't forget to purchase the appropriate set of Studs & Nuts to accommodate changes in chuck or adapter configurations. 

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Customer Reviews (5.0 / 5 · 5 reviews)

Hazel R. ★★★★★

The registration marks made aligning the chuck dead simple, and the fit on my spindle was snug without any wobble. I’ve been turning pens all weekend without a single catch.

George A. ★★★★★

The three-hole pattern lined up perfectly with my spindle, making installation a simple swap. I’ve been using it with a 5” chuck on smaller projects, and the registration hole spacing feels solid and secure.

Isabella O. ★★★★★

The 92mm registration fit my mini lathe spindle perfectly with zero wobble. Now I can use my 5-inch chuck for those larger turning projects without any hassle.