Spindle Liners, also known as Spindle Sleeves or Lathe Spindle Reducers, are used to reduce the inside diameter (I.D.) of a CNC Lathe or Turning Center in order to accommodate smaller-diameter bar stock. The I.D. of a Spindle Liner is usually .030” to .060” over the diameter of the bar stock, and is designed to reduce whipping and vibration during the machining process. The correct use of a Spindle Liner will increase your machining speeds and deliver a better finish with closer machining tolerances.

Lucy’s Machine Company has been making custom-designed Spindle Liners since 1972. All Lucy’s Spindle Liners are made from 1026 Alloy Steel DOM Tube for strength and durability. Each Spindle Liner is made-to-order by our master craftsmen with welded collars and straightened to .005” T.I.R.

Standard Features:

• 1026 Alloy Steel DOM Tube with 1018 Alloy Steel Collars
• Straight within .005” T.I.R.
• Sturdy Welded Construction
• Square, Hex and other bar configurations are available
• Guaranteed to Fit Virtually Any Machine Tool
• On-Site Consultation and Installation Available in Southern California
• Shipment to Any Destination World Wide

Easy to Order!

Just call us at (323) 587-6162, Fax us at (323) 587-4820 or email us at mail@lucysmachine.com with the make and model number of your machine tool and the size of your bar stock. We maintain an extensive database with detailed specifications for virtually every machine tool on the planet! Our Spindle Liners range from .250” I.D. to 6.00” I.D. and can be any length you need. We deliver anywhere in Southern California and ship anywhere in the world!

Download our Spindle Liner Data Sheet. (pdf)


Our Products are Custom-Designed to Fit Virtually Any Machine Tool.

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