Adapter, 3″ Spindle to 4″ Lathe Chuck – 72MM Recess

Description

• Compatible with 4″ 3- or 4-Jaw Lathe Chucks on Mini Lathes
• Use with Chucks with a 72 mm Registration Recess Diameter
• Cast Iron
• Net Thickness of 0.66″

This adapter lets you mount 4″ 3- or 4-jaw lathe chucks on your mini lathe.

Use this adapter with chucks that have a 72 mm registration recess diameter.

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

This adapter is cast iron and has a net thickness of 0.66″. The net thickness is the distance from the rim of the lathe spindle to the back of the chuck.

Specifications

Outside Diameter	Ø 3.9″ (100 mm)
Center Hole	Ø 1.0″ (25 mm)
Spindle Side Registration Recess	Ø 2.2″ (55 mm)
Spindle Side Bold Circle	Ø 2.6″ (66 mm)
Chuck Side Registration Boss	Ø 2.8″ (72 mm)
Chuck Side Bolt Circle	Ø 3.3″ (84 mm)
Chuck Mounting Holes	3-bolt & 4-bolt patterns